Home / 291,600,853.80-437,464,266.30-87,149,596.20

Finding the Fourth Proportional to 291,600,853.80, 437,464,266.30 and 87,149,596.20

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Solution

The fourth proportional to 291,600,853.80, 437,464,266.30 and 87,149,596.20 is: 130,743,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,600,853.80 : 437,464,266.30 = 87,149,596.20 : x
  2. Step 2: Convert to fraction form
    291,600,853.80/437,464,266.30 = 87,149,596.20/x
  3. Step 3: Cross multiply
    291,600,853.80x = 437,464,266.30 × 87,149,596.20
  4. Step 4: Simplify right side
    291,600,853.80x = 38,124,834,159,974,272
  5. Step 5: Solve for x
    x = 38,124,834,159,974,272/291,600,853.80
  6. Step 6: Final answer
    x = 130,743,218.56

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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.