Home / 83,808,753.69-115,655,243.79-46,638,397.71

Finding the Fourth Proportional to 83,808,753.69, 115,655,243.79 and 46,638,397.71

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Solution

The fourth proportional to 83,808,753.69, 115,655,243.79 and 46,638,397.71 is: 64,360,523.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,808,753.69 : 115,655,243.79 = 46,638,397.71 : x
  2. Step 2: Convert to fraction form
    83,808,753.69/115,655,243.79 = 46,638,397.71/x
  3. Step 3: Cross multiply
    83,808,753.69x = 115,655,243.79 × 46,638,397.71
  4. Step 4: Simplify right side
    83,808,753.69x = 5,393,975,257,125,028
  5. Step 5: Solve for x
    x = 5,393,975,257,125,028/83,808,753.69
  6. Step 6: Final answer
    x = 64,360,523.45

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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.