Home / 67,666,411.18-93,550,421.10-49,997,445.88

Finding the Fourth Proportional to 67,666,411.18, 93,550,421.10 and 49,997,445.88

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Solution

The fourth proportional to 67,666,411.18, 93,550,421.10 and 49,997,445.88 is: 69,122,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,666,411.18 : 93,550,421.10 = 49,997,445.88 : x
  2. Step 2: Convert to fraction form
    67,666,411.18/93,550,421.10 = 49,997,445.88/x
  3. Step 3: Cross multiply
    67,666,411.18x = 93,550,421.10 × 49,997,445.88
  4. Step 4: Simplify right side
    67,666,411.18x = 4,677,282,115,998,460
  5. Step 5: Solve for x
    x = 4,677,282,115,998,460/67,666,411.18
  6. Step 6: Final answer
    x = 69,122,656.79

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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.