Home / 100,845,118.80-151,267,678.20-98,719,354.80

Finding the Fourth Proportional to 100,845,118.80, 151,267,678.20 and 98,719,354.80

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Solution

The fourth proportional to 100,845,118.80, 151,267,678.20 and 98,719,354.80 is: 148,079,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,845,118.80 : 151,267,678.20 = 98,719,354.80 : x
  2. Step 2: Convert to fraction form
    100,845,118.80/151,267,678.20 = 98,719,354.80/x
  3. Step 3: Cross multiply
    100,845,118.80x = 151,267,678.20 × 98,719,354.80
  4. Step 4: Simplify right side
    100,845,118.80x = 14,933,047,593,998,024
  5. Step 5: Solve for x
    x = 14,933,047,593,998,024/100,845,118.80
  6. Step 6: Final answer
    x = 148,079,032.20

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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.