Home / 87,285,197.19-130,779,635.03-52,668,865

Finding the Fourth Proportional to 87,285,197.19, 130,779,635.03 and 52,668,865

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Solution

The fourth proportional to 87,285,197.19, 130,779,635.03 and 52,668,865 is: 78,913,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,285,197.19 : 130,779,635.03 = 52,668,865 : x
  2. Step 2: Convert to fraction form
    87,285,197.19/130,779,635.03 = 52,668,865/x
  3. Step 3: Cross multiply
    87,285,197.19x = 130,779,635.03 × 52,668,865
  4. Step 4: Simplify right side
    87,285,197.19x = 6,888,014,942,144,341
  5. Step 5: Solve for x
    x = 6,888,014,942,144,341/87,285,197.19
  6. Step 6: Final answer
    x = 78,913,895.64

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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.