Home / 145,472,929.76-200,754,503.08-85,936,184.96

Finding the Fourth Proportional to 145,472,929.76, 200,754,503.08 and 85,936,184.96

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Solution

The fourth proportional to 145,472,929.76, 200,754,503.08 and 85,936,184.96 is: 118,593,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,472,929.76 : 200,754,503.08 = 85,936,184.96 : x
  2. Step 2: Convert to fraction form
    145,472,929.76/200,754,503.08 = 85,936,184.96/x
  3. Step 3: Cross multiply
    145,472,929.76x = 200,754,503.08 × 85,936,184.96
  4. Step 4: Simplify right side
    145,472,929.76x = 17,252,076,108,235,770
  5. Step 5: Solve for x
    x = 17,252,076,108,235,770/145,472,929.76
  6. Step 6: Final answer
    x = 118,593,034.02

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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.