Home / 99,794,667.60-149,692,001.40-61,331,461.20

Finding the Fourth Proportional to 99,794,667.60, 149,692,001.40 and 61,331,461.20

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Solution

The fourth proportional to 99,794,667.60, 149,692,001.40 and 61,331,461.20 is: 91,997,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794,667.60 : 149,692,001.40 = 61,331,461.20 : x
  2. Step 2: Convert to fraction form
    99,794,667.60/149,692,001.40 = 61,331,461.20/x
  3. Step 3: Cross multiply
    99,794,667.60x = 149,692,001.40 × 61,331,461.20
  4. Step 4: Simplify right side
    99,794,667.60x = 9,180,829,175,814,446
  5. Step 5: Solve for x
    x = 9,180,829,175,814,446/99,794,667.60
  6. Step 6: Final answer
    x = 91,997,191.80

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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.