Home / 66,432,313.30-99,648,469.95-57,344,672.20

Finding the Fourth Proportional to 66,432,313.30, 99,648,469.95 and 57,344,672.20

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Solution

The fourth proportional to 66,432,313.30, 99,648,469.95 and 57,344,672.20 is: 86,017,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,313.30 : 99,648,469.95 = 57,344,672.20 : x
  2. Step 2: Convert to fraction form
    66,432,313.30/99,648,469.95 = 57,344,672.20/x
  3. Step 3: Cross multiply
    66,432,313.30x = 99,648,469.95 × 57,344,672.20
  4. Step 4: Simplify right side
    66,432,313.30x = 5,714,308,844,514,301
  5. Step 5: Solve for x
    x = 5,714,308,844,514,301/66,432,313.30
  6. Step 6: Final answer
    x = 86,017,008.30

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1.5x scale

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.