Home / 145,155,287.40-217,732,931.10-108,875,581.80

Finding the Fourth Proportional to 145,155,287.40, 217,732,931.10 and 108,875,581.80

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Solution

The fourth proportional to 145,155,287.40, 217,732,931.10 and 108,875,581.80 is: 163,313,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,155,287.40 : 217,732,931.10 = 108,875,581.80 : x
  2. Step 2: Convert to fraction form
    145,155,287.40/217,732,931.10 = 108,875,581.80/x
  3. Step 3: Cross multiply
    145,155,287.40x = 217,732,931.10 × 108,875,581.80
  4. Step 4: Simplify right side
    145,155,287.40x = 23,705,799,550,531,812
  5. Step 5: Solve for x
    x = 23,705,799,550,531,812/145,155,287.40
  6. Step 6: Final answer
    x = 163,313,372.70

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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.