Home / 81,656,695.65-112,685,900.15-44,486,860.20

Finding the Fourth Proportional to 81,656,695.65, 112,685,900.15 and 44,486,860.20

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Solution

The fourth proportional to 81,656,695.65, 112,685,900.15 and 44,486,860.20 is: 61,391,681.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,656,695.65 : 112,685,900.15 = 44,486,860.20 : x
  2. Step 2: Convert to fraction form
    81,656,695.65/112,685,900.15 = 44,486,860.20/x
  3. Step 3: Cross multiply
    81,656,695.65x = 112,685,900.15 × 44,486,860.20
  4. Step 4: Simplify right side
    81,656,695.65x = 5,013,041,885,698,345
  5. Step 5: Solve for x
    x = 5,013,041,885,698,345/81,656,695.65
  6. Step 6: Final answer
    x = 61,391,681.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.