Home / 81,656,695.40-112,685,899.80-44,486,859.95

Finding the Fourth Proportional to 81,656,695.40, 112,685,899.80 and 44,486,859.95

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Solution

The fourth proportional to 81,656,695.40, 112,685,899.80 and 44,486,859.95 is: 61,391,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,656,695.40 : 112,685,899.80 = 44,486,859.95 : x
  2. Step 2: Convert to fraction form
    81,656,695.40/112,685,899.80 = 44,486,859.95/x
  3. Step 3: Cross multiply
    81,656,695.40x = 112,685,899.80 × 44,486,859.95
  4. Step 4: Simplify right side
    81,656,695.40x = 5,013,041,842,178,903
  5. Step 5: Solve for x
    x = 5,013,041,842,178,903/81,656,695.40
  6. Step 6: Final answer
    x = 61,391,681.58

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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.