Home / 87,811,452-121,111,567.20-59,956,567.20

Finding the Fourth Proportional to 87,811,452, 121,111,567.20 and 59,956,567.20

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Solution

The fourth proportional to 87,811,452, 121,111,567.20 and 59,956,567.20 is: 82,693,471.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,811,452 : 121,111,567.20 = 59,956,567.20 : x
  2. Step 2: Convert to fraction form
    87,811,452/121,111,567.20 = 59,956,567.20/x
  3. Step 3: Cross multiply
    87,811,452x = 121,111,567.20 × 59,956,567.20
  4. Step 4: Simplify right side
    87,811,452x = 7,261,433,817,524,116
  5. Step 5: Solve for x
    x = 7,261,433,817,524,116/87,811,452
  6. Step 6: Final answer
    x = 82,693,471.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.