Home / 147,913,685.91-204,113,417.67-80,931,194.37

Finding the Fourth Proportional to 147,913,685.91, 204,113,417.67 and 80,931,194.37

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Solution

The fourth proportional to 147,913,685.91, 204,113,417.67 and 80,931,194.37 is: 111,680,961.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,913,685.91 : 204,113,417.67 = 80,931,194.37 : x
  2. Step 2: Convert to fraction form
    147,913,685.91/204,113,417.67 = 80,931,194.37/x
  3. Step 3: Cross multiply
    147,913,685.91x = 204,113,417.67 × 80,931,194.37
  4. Step 4: Simplify right side
    147,913,685.91x = 16,519,142,678,975,762
  5. Step 5: Solve for x
    x = 16,519,142,678,975,762/147,913,685.91
  6. Step 6: Final answer
    x = 111,680,961.62

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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.