Home / 191,874,137.28-287,811,254.92-53,720,097.84

Finding the Fourth Proportional to 191,874,137.28, 287,811,254.92 and 53,720,097.84

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Solution

The fourth proportional to 191,874,137.28, 287,811,254.92 and 53,720,097.84 is: 80,580,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,874,137.28 : 287,811,254.92 = 53,720,097.84 : x
  2. Step 2: Convert to fraction form
    191,874,137.28/287,811,254.92 = 53,720,097.84/x
  3. Step 3: Cross multiply
    191,874,137.28x = 287,811,254.92 × 53,720,097.84
  4. Step 4: Simplify right side
    191,874,137.28x = 15,461,248,773,755,584
  5. Step 5: Solve for x
    x = 15,461,248,773,755,584/191,874,137.28
  6. Step 6: Final answer
    x = 80,580,160.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.