Home / 72,535,620.80-108,803,431.20-63,087,780.80

Finding the Fourth Proportional to 72,535,620.80, 108,803,431.20 and 63,087,780.80

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Solution

The fourth proportional to 72,535,620.80, 108,803,431.20 and 63,087,780.80 is: 94,631,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,535,620.80 : 108,803,431.20 = 63,087,780.80 : x
  2. Step 2: Convert to fraction form
    72,535,620.80/108,803,431.20 = 63,087,780.80/x
  3. Step 3: Cross multiply
    72,535,620.80x = 108,803,431.20 × 63,087,780.80
  4. Step 4: Simplify right side
    72,535,620.80x = 6,864,167,017,833,481
  5. Step 5: Solve for x
    x = 6,864,167,017,833,481/72,535,620.80
  6. Step 6: Final answer
    x = 94,631,671.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.