Home / 149,781,296.80-224,671,945.20-85,284,042.40

Finding the Fourth Proportional to 149,781,296.80, 224,671,945.20 and 85,284,042.40

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Solution

The fourth proportional to 149,781,296.80, 224,671,945.20 and 85,284,042.40 is: 127,926,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,781,296.80 : 224,671,945.20 = 85,284,042.40 : x
  2. Step 2: Convert to fraction form
    149,781,296.80/224,671,945.20 = 85,284,042.40/x
  3. Step 3: Cross multiply
    149,781,296.80x = 224,671,945.20 × 85,284,042.40
  4. Step 4: Simplify right side
    149,781,296.80x = 19,160,931,700,527,276
  5. Step 5: Solve for x
    x = 19,160,931,700,527,276/149,781,296.80
  6. Step 6: Final answer
    x = 127,926,063.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.