Home / 148,331,011.20-222,590,995.20-86,920,051.20

Finding the Fourth Proportional to 148,331,011.20, 222,590,995.20 and 86,920,051.20

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Solution

The fourth proportional to 148,331,011.20, 222,590,995.20 and 86,920,051.20 is: 130,435,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,331,011.20 : 222,590,995.20 = 86,920,051.20 : x
  2. Step 2: Convert to fraction form
    148,331,011.20/222,590,995.20 = 86,920,051.20/x
  3. Step 3: Cross multiply
    148,331,011.20x = 222,590,995.20 × 86,920,051.20
  4. Step 4: Simplify right side
    148,331,011.20x = 19,347,620,699,442,952
  5. Step 5: Solve for x
    x = 19,347,620,699,442,952/148,331,011.20
  6. Step 6: Final answer
    x = 130,435,439.92

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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.