Home / 108,727,287.70-163,090,931.55-103,688,439.70

Finding the Fourth Proportional to 108,727,287.70, 163,090,931.55 and 103,688,439.70

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Solution

The fourth proportional to 108,727,287.70, 163,090,931.55 and 103,688,439.70 is: 155,532,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,727,287.70 : 163,090,931.55 = 103,688,439.70 : x
  2. Step 2: Convert to fraction form
    108,727,287.70/163,090,931.55 = 103,688,439.70/x
  3. Step 3: Cross multiply
    108,727,287.70x = 163,090,931.55 × 103,688,439.70
  4. Step 4: Simplify right side
    108,727,287.70x = 16,910,644,221,639,004
  5. Step 5: Solve for x
    x = 16,910,644,221,639,004/108,727,287.70
  6. Step 6: Final answer
    x = 155,532,659.55

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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.