Home / 71,681,185,468.03-98,920,045,628.51-39,566,553,682.78

Finding the Fourth Proportional to 71,681,185,468.03, 98,920,045,628.51 and 39,566,553,682.78

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Solution

The fourth proportional to 71,681,185,468.03, 98,920,045,628.51 and 39,566,553,682.78 is: 54,601,849,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,681,185,468.03 : 98,920,045,628.51 = 39,566,553,682.78 : x
  2. Step 2: Convert to fraction form
    71,681,185,468.03/98,920,045,628.51 = 39,566,553,682.78/x
  3. Step 3: Cross multiply
    71,681,185,468.03x = 98,920,045,628.51 × 39,566,553,682.78
  4. Step 4: Simplify right side
    71,681,185,468.03x = 3,913,925,295,662,993,244,160
  5. Step 5: Solve for x
    x = 3,913,925,295,662,993,244,160/71,681,185,468.03
  6. Step 6: Final answer
    x = 54,601,849,426.84

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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.