Home / 83,316,886.32-124,468,630.58-53,931,333.72

Finding the Fourth Proportional to 83,316,886.32, 124,468,630.58 and 53,931,333.72

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Solution

The fourth proportional to 83,316,886.32, 124,468,630.58 and 53,931,333.72 is: 80,569,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,316,886.32 : 124,468,630.58 = 53,931,333.72 : x
  2. Step 2: Convert to fraction form
    83,316,886.32/124,468,630.58 = 53,931,333.72/x
  3. Step 3: Cross multiply
    83,316,886.32x = 124,468,630.58 × 53,931,333.72
  4. Step 4: Simplify right side
    83,316,886.32x = 6,712,759,253,481,377
  5. Step 5: Solve for x
    x = 6,712,759,253,481,377/83,316,886.32
  6. Step 6: Final answer
    x = 80,569,012.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.