Home / 99,220,200.90-148,830,301.35-71,868,704.10

Finding the Fourth Proportional to 99,220,200.90, 148,830,301.35 and 71,868,704.10

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Solution

The fourth proportional to 99,220,200.90, 148,830,301.35 and 71,868,704.10 is: 107,803,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,220,200.90 : 148,830,301.35 = 71,868,704.10 : x
  2. Step 2: Convert to fraction form
    99,220,200.90/148,830,301.35 = 71,868,704.10/x
  3. Step 3: Cross multiply
    99,220,200.90x = 148,830,301.35 × 71,868,704.10
  4. Step 4: Simplify right side
    99,220,200.90x = 10,696,240,888,836,980
  5. Step 5: Solve for x
    x = 10,696,240,888,836,980/99,220,200.90
  6. Step 6: Final answer
    x = 107,803,056.15

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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.