Home / 81,563,975.05-112,567,870.19-45,806,292.38

Finding the Fourth Proportional to 81,563,975.05, 112,567,870.19 and 45,806,292.38

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Solution

The fourth proportional to 81,563,975.05, 112,567,870.19 and 45,806,292.38 is: 63,218,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,563,975.05 : 112,567,870.19 = 45,806,292.38 : x
  2. Step 2: Convert to fraction form
    81,563,975.05/112,567,870.19 = 45,806,292.38/x
  3. Step 3: Cross multiply
    81,563,975.05x = 112,567,870.19 × 45,806,292.38
  4. Step 4: Simplify right side
    81,563,975.05x = 5,156,316,774,517,026
  5. Step 5: Solve for x
    x = 5,156,316,774,517,026/81,563,975.05
  6. Step 6: Final answer
    x = 63,218,066.20

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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.