Home / 87,284,934.14-130,779,235.89-52,668,595.82

Finding the Fourth Proportional to 87,284,934.14, 130,779,235.89 and 52,668,595.82

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Solution

The fourth proportional to 87,284,934.14, 130,779,235.89 and 52,668,595.82 is: 78,913,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,284,934.14 : 130,779,235.89 = 52,668,595.82 : x
  2. Step 2: Convert to fraction form
    87,284,934.14/130,779,235.89 = 52,668,595.82/x
  3. Step 3: Cross multiply
    87,284,934.14x = 130,779,235.89 × 52,668,595.82
  4. Step 4: Simplify right side
    87,284,934.14x = 6,887,958,716,738,848
  5. Step 5: Solve for x
    x = 6,887,958,716,738,848/87,284,934.14
  6. Step 6: Final answer
    x = 78,913,489.30

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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.