Home / 59,885,321.15-89,868,106.80-21,023,888.78

Finding the Fourth Proportional to 59,885,321.15, 89,868,106.80 and 21,023,888.78

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Solution

The fourth proportional to 59,885,321.15, 89,868,106.80 and 21,023,888.78 is: 31,549,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,885,321.15 : 89,868,106.80 = 21,023,888.78 : x
  2. Step 2: Convert to fraction form
    59,885,321.15/89,868,106.80 = 21,023,888.78/x
  3. Step 3: Cross multiply
    59,885,321.15x = 89,868,106.80 × 21,023,888.78
  4. Step 4: Simplify right side
    59,885,321.15x = 1,889,377,082,457,031.75
  5. Step 5: Solve for x
    x = 1,889,377,082,457,031.75/59,885,321.15
  6. Step 6: Final answer
    x = 31,549,919.85

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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.