Home / 121,452,362.40-182,178,543.60-109,737,040.80

Finding the Fourth Proportional to 121,452,362.40, 182,178,543.60 and 109,737,040.80

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Solution

The fourth proportional to 121,452,362.40, 182,178,543.60 and 109,737,040.80 is: 164,605,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,452,362.40 : 182,178,543.60 = 109,737,040.80 : x
  2. Step 2: Convert to fraction form
    121,452,362.40/182,178,543.60 = 109,737,040.80/x
  3. Step 3: Cross multiply
    121,452,362.40x = 182,178,543.60 × 109,737,040.80
  4. Step 4: Simplify right side
    121,452,362.40x = 19,991,734,271,917,776
  5. Step 5: Solve for x
    x = 19,991,734,271,917,776/121,452,362.40
  6. Step 6: Final answer
    x = 164,605,561.20

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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.