Home / 59,885,322.15-89,868,108.30-21,023,889.78

Finding the Fourth Proportional to 59,885,322.15, 89,868,108.30 and 21,023,889.78

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Solution

The fourth proportional to 59,885,322.15, 89,868,108.30 and 21,023,889.78 is: 31,549,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,885,322.15 : 89,868,108.30 = 21,023,889.78 : x
  2. Step 2: Convert to fraction form
    59,885,322.15/89,868,108.30 = 21,023,889.78/x
  3. Step 3: Cross multiply
    59,885,322.15x = 89,868,108.30 × 21,023,889.78
  4. Step 4: Simplify right side
    59,885,322.15x = 1,889,377,203,636,303.25
  5. Step 5: Solve for x
    x = 1,889,377,203,636,303.25/59,885,322.15
  6. Step 6: Final answer
    x = 31,549,921.35

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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.