Home / 111,495,708.27-153,888,669.45-61,953,105.20

Finding the Fourth Proportional to 111,495,708.27, 153,888,669.45 and 61,953,105.20

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Solution

The fourth proportional to 111,495,708.27, 153,888,669.45 and 61,953,105.20 is: 85,508,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,495,708.27 : 153,888,669.45 = 61,953,105.20 : x
  2. Step 2: Convert to fraction form
    111,495,708.27/153,888,669.45 = 61,953,105.20/x
  3. Step 3: Cross multiply
    111,495,708.27x = 153,888,669.45 × 61,953,105.20
  4. Step 4: Simplify right side
    111,495,708.27x = 9,533,880,926,754,432
  5. Step 5: Solve for x
    x = 9,533,880,926,754,432/111,495,708.27
  6. Step 6: Final answer
    x = 85,508,949.85

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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.