Home / 112,134,685.67-154,745,894.22-61,898,932.38

Finding the Fourth Proportional to 112,134,685.67, 154,745,894.22 and 61,898,932.38

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Solution

The fourth proportional to 112,134,685.67, 154,745,894.22 and 61,898,932.38 is: 85,420,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,134,685.67 : 154,745,894.22 = 61,898,932.38 : x
  2. Step 2: Convert to fraction form
    112,134,685.67/154,745,894.22 = 61,898,932.38/x
  3. Step 3: Cross multiply
    112,134,685.67x = 154,745,894.22 × 61,898,932.38
  4. Step 4: Simplify right side
    112,134,685.67x = 9,578,605,642,658,184
  5. Step 5: Solve for x
    x = 9,578,605,642,658,184/112,134,685.67
  6. Step 6: Final answer
    x = 85,420,542.14

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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.