Home / 71,240,267.87-106,721,230.65-49,078,497.45

Finding the Fourth Proportional to 71,240,267.87, 106,721,230.65 and 49,078,497.45

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Solution

The fourth proportional to 71,240,267.87, 106,721,230.65 and 49,078,497.45 is: 73,521,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,240,267.87 : 106,721,230.65 = 49,078,497.45 : x
  2. Step 2: Convert to fraction form
    71,240,267.87/106,721,230.65 = 49,078,497.45/x
  3. Step 3: Cross multiply
    71,240,267.87x = 106,721,230.65 × 49,078,497.45
  4. Step 4: Simplify right side
    71,240,267.87x = 5,237,717,646,316,887
  5. Step 5: Solve for x
    x = 5,237,717,646,316,887/71,240,267.87
  6. Step 6: Final answer
    x = 73,521,869.07

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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.