Home / 83,316,888.32-124,468,633.56-53,931,335.72

Finding the Fourth Proportional to 83,316,888.32, 124,468,633.56 and 53,931,335.72

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Solution

The fourth proportional to 83,316,888.32, 124,468,633.56 and 53,931,335.72 is: 80,569,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,316,888.32 : 124,468,633.56 = 53,931,335.72 : x
  2. Step 2: Convert to fraction form
    83,316,888.32/124,468,633.56 = 53,931,335.72/x
  3. Step 3: Cross multiply
    83,316,888.32x = 124,468,633.56 × 53,931,335.72
  4. Step 4: Simplify right side
    83,316,888.32x = 6,712,759,663,134,019
  5. Step 5: Solve for x
    x = 6,712,759,663,134,019/83,316,888.32
  6. Step 6: Final answer
    x = 80,569,015.46

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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.