Home / 145,782,570.60-218,728,929.40-87,530,865.90

Finding the Fourth Proportional to 145,782,570.60, 218,728,929.40 and 87,530,865.90

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Solution

The fourth proportional to 145,782,570.60, 218,728,929.40 and 87,530,865.90 is: 131,329,366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,782,570.60 : 218,728,929.40 = 87,530,865.90 : x
  2. Step 2: Convert to fraction form
    145,782,570.60/218,728,929.40 = 87,530,865.90/x
  3. Step 3: Cross multiply
    145,782,570.60x = 218,728,929.40 × 87,530,865.90
  4. Step 4: Simplify right side
    145,782,570.60x = 19,145,532,587,761,968
  5. Step 5: Solve for x
    x = 19,145,532,587,761,968/145,782,570.60
  6. Step 6: Final answer
    x = 131,329,366.12

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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.