Home / 89,102,208.38-133,446,050.55-86,650,362.68

Finding the Fourth Proportional to 89,102,208.38, 133,446,050.55 and 86,650,362.68

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Solution

The fourth proportional to 89,102,208.38, 133,446,050.55 and 86,650,362.68 is: 129,773,985.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,102,208.38 : 133,446,050.55 = 86,650,362.68 : x
  2. Step 2: Convert to fraction form
    89,102,208.38/133,446,050.55 = 86,650,362.68/x
  3. Step 3: Cross multiply
    89,102,208.38x = 133,446,050.55 × 86,650,362.68
  4. Step 4: Simplify right side
    89,102,208.38x = 11,563,148,678,371,114
  5. Step 5: Solve for x
    x = 11,563,148,678,371,114/89,102,208.38
  6. Step 6: Final answer
    x = 129,773,985.28

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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.