Home / 98,548,160.81-135,997,343.09-54,498,123.50

Finding the Fourth Proportional to 98,548,160.81, 135,997,343.09 and 54,498,123.50

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Solution

The fourth proportional to 98,548,160.81, 135,997,343.09 and 54,498,123.50 is: 75,207,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,548,160.81 : 135,997,343.09 = 54,498,123.50 : x
  2. Step 2: Convert to fraction form
    98,548,160.81/135,997,343.09 = 54,498,123.50/x
  3. Step 3: Cross multiply
    98,548,160.81x = 135,997,343.09 × 54,498,123.50
  4. Step 4: Simplify right side
    98,548,160.81x = 7,411,599,998,438,214
  5. Step 5: Solve for x
    x = 7,411,599,998,438,214/98,548,160.81
  6. Step 6: Final answer
    x = 75,207,897.72

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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.