Home / 89,102,204.88-133,446,045.30-86,650,359.18

Finding the Fourth Proportional to 89,102,204.88, 133,446,045.30 and 86,650,359.18

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Solution

The fourth proportional to 89,102,204.88, 133,446,045.30 and 86,650,359.18 is: 129,773,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,102,204.88 : 133,446,045.30 = 86,650,359.18 : x
  2. Step 2: Convert to fraction form
    89,102,204.88/133,446,045.30 = 86,650,359.18/x
  3. Step 3: Cross multiply
    89,102,204.88x = 133,446,045.30 × 86,650,359.18
  4. Step 4: Simplify right side
    89,102,204.88x = 11,563,147,756,395,552
  5. Step 5: Solve for x
    x = 11,563,147,756,395,552/89,102,204.88
  6. Step 6: Final answer
    x = 129,773,980.03

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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.