Home / 98,420,003.60-147,629,227.80-25,636,643.60

Finding the Fourth Proportional to 98,420,003.60, 147,629,227.80 and 25,636,643.60

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Solution

The fourth proportional to 98,420,003.60, 147,629,227.80 and 25,636,643.60 is: 38,454,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,420,003.60 : 147,629,227.80 = 25,636,643.60 : x
  2. Step 2: Convert to fraction form
    98,420,003.60/147,629,227.80 = 25,636,643.60/x
  3. Step 3: Cross multiply
    98,420,003.60x = 147,629,227.80 × 25,636,643.60
  4. Step 4: Simplify right side
    98,420,003.60x = 3,784,717,898,051,812.50
  5. Step 5: Solve for x
    x = 3,784,717,898,051,812.50/98,420,003.60
  6. Step 6: Final answer
    x = 38,454,762.85

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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.