Home / 121,452,570.40-182,178,855.60-109,737,248.80

Finding the Fourth Proportional to 121,452,570.40, 182,178,855.60 and 109,737,248.80

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Solution

The fourth proportional to 121,452,570.40, 182,178,855.60 and 109,737,248.80 is: 164,605,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,452,570.40 : 182,178,855.60 = 109,737,248.80 : x
  2. Step 2: Convert to fraction form
    121,452,570.40/182,178,855.60 = 109,737,248.80/x
  3. Step 3: Cross multiply
    121,452,570.40x = 182,178,855.60 × 109,737,248.80
  4. Step 4: Simplify right side
    121,452,570.40x = 19,991,806,403,076,472
  5. Step 5: Solve for x
    x = 19,991,806,403,076,472/121,452,570.40
  6. Step 6: Final answer
    x = 164,605,873.20

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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.