Home / 91,791,373.88-137,636,637.78-63,044,742.20

Finding the Fourth Proportional to 91,791,373.88, 137,636,637.78 and 63,044,742.20

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Solution

The fourth proportional to 91,791,373.88, 137,636,637.78 and 63,044,742.20 is: 94,532,481.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,791,373.88 : 137,636,637.78 = 63,044,742.20 : x
  2. Step 2: Convert to fraction form
    91,791,373.88/137,636,637.78 = 63,044,742.20/x
  3. Step 3: Cross multiply
    91,791,373.88x = 137,636,637.78 × 63,044,742.20
  4. Step 4: Simplify right side
    91,791,373.88x = 8,677,266,346,114,881
  5. Step 5: Solve for x
    x = 8,677,266,346,114,881/91,791,373.88
  6. Step 6: Final answer
    x = 94,532,481.42

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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.