Home / 83,316,887.32-124,468,632.07-53,931,334.72

Finding the Fourth Proportional to 83,316,887.32, 124,468,632.07 and 53,931,334.72

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Solution

The fourth proportional to 83,316,887.32, 124,468,632.07 and 53,931,334.72 is: 80,569,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,316,887.32 : 124,468,632.07 = 53,931,334.72 : x
  2. Step 2: Convert to fraction form
    83,316,887.32/124,468,632.07 = 53,931,334.72/x
  3. Step 3: Cross multiply
    83,316,887.32x = 124,468,632.07 × 53,931,334.72
  4. Step 4: Simplify right side
    83,316,887.32x = 6,712,759,458,307,696
  5. Step 5: Solve for x
    x = 6,712,759,458,307,696/83,316,887.32
  6. Step 6: Final answer
    x = 80,569,013.97

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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.