Home / 71,681,185,570.66-98,920,045,769.80-39,566,553,785.52

Finding the Fourth Proportional to 71,681,185,570.66, 98,920,045,769.80 and 39,566,553,785.52

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Solution

The fourth proportional to 71,681,185,570.66, 98,920,045,769.80 and 39,566,553,785.52 is: 54,601,849,568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,681,185,570.66 : 98,920,045,769.80 = 39,566,553,785.52 : x
  2. Step 2: Convert to fraction form
    71,681,185,570.66/98,920,045,769.80 = 39,566,553,785.52/x
  3. Step 3: Cross multiply
    71,681,185,570.66x = 98,920,045,769.80 × 39,566,553,785.52
  4. Step 4: Simplify right side
    71,681,185,570.66x = 3,913,925,311,416,891,867,136
  5. Step 5: Solve for x
    x = 3,913,925,311,416,891,867,136/71,681,185,570.66
  6. Step 6: Final answer
    x = 54,601,849,568.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.