Home / 145,155,005.40-217,732,508.10-93,758,755.80

Finding the Fourth Proportional to 145,155,005.40, 217,732,508.10 and 93,758,755.80

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Solution

The fourth proportional to 145,155,005.40, 217,732,508.10 and 93,758,755.80 is: 140,638,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,155,005.40 : 217,732,508.10 = 93,758,755.80 : x
  2. Step 2: Convert to fraction form
    145,155,005.40/217,732,508.10 = 93,758,755.80/x
  3. Step 3: Cross multiply
    145,155,005.40x = 217,732,508.10 × 93,758,755.80
  4. Step 4: Simplify right side
    145,155,005.40x = 20,414,329,056,669,420
  5. Step 5: Solve for x
    x = 20,414,329,056,669,420/145,155,005.40
  6. Step 6: Final answer
    x = 140,638,133.70

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1.5x scale

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.