Home / 291,381,630.30-437,072,445.45-146,262,807.90

Finding the Fourth Proportional to 291,381,630.30, 437,072,445.45 and 146,262,807.90

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Solution

The fourth proportional to 291,381,630.30, 437,072,445.45 and 146,262,807.90 is: 219,394,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,381,630.30 : 437,072,445.45 = 146,262,807.90 : x
  2. Step 2: Convert to fraction form
    291,381,630.30/437,072,445.45 = 146,262,807.90/x
  3. Step 3: Cross multiply
    291,381,630.30x = 437,072,445.45 × 146,262,807.90
  4. Step 4: Simplify right side
    291,381,630.30x = 63,927,443,127,236,576
  5. Step 5: Solve for x
    x = 63,927,443,127,236,576/291,381,630.30
  6. Step 6: Final answer
    x = 219,394,211.85

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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.