Home / 122,912,468.48-169,604,750.40-67,905,044.48

Finding the Fourth Proportional to 122,912,468.48, 169,604,750.40 and 67,905,044.48

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Solution

The fourth proportional to 122,912,468.48, 169,604,750.40 and 67,905,044.48 is: 93,700,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,912,468.48 : 169,604,750.40 = 67,905,044.48 : x
  2. Step 2: Convert to fraction form
    122,912,468.48/169,604,750.40 = 67,905,044.48/x
  3. Step 3: Cross multiply
    122,912,468.48x = 169,604,750.40 × 67,905,044.48
  4. Step 4: Simplify right side
    122,912,468.48x = 11,517,018,119,931,298
  5. Step 5: Solve for x
    x = 11,517,018,119,931,298/122,912,468.48
  6. Step 6: Final answer
    x = 93,700,974.87

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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.