Home / 87,152,303.20-130,728,454.80-57,926,984.80

Finding the Fourth Proportional to 87,152,303.20, 130,728,454.80 and 57,926,984.80

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Solution

The fourth proportional to 87,152,303.20, 130,728,454.80 and 57,926,984.80 is: 86,890,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,152,303.20 : 130,728,454.80 = 57,926,984.80 : x
  2. Step 2: Convert to fraction form
    87,152,303.20/130,728,454.80 = 57,926,984.80/x
  3. Step 3: Cross multiply
    87,152,303.20x = 130,728,454.80 × 57,926,984.80
  4. Step 4: Simplify right side
    87,152,303.20x = 7,572,705,214,127,086
  5. Step 5: Solve for x
    x = 7,572,705,214,127,086/87,152,303.20
  6. Step 6: Final answer
    x = 86,890,477.20

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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.