Home / 111,414,186.95-153,748,582.32-66,785,370.17

Finding the Fourth Proportional to 111,414,186.95, 153,748,582.32 and 66,785,370.17

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Solution

The fourth proportional to 111,414,186.95, 153,748,582.32 and 66,785,370.17 is: 92,162,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,414,186.95 : 153,748,582.32 = 66,785,370.17 : x
  2. Step 2: Convert to fraction form
    111,414,186.95/153,748,582.32 = 66,785,370.17/x
  3. Step 3: Cross multiply
    111,414,186.95x = 153,748,582.32 × 66,785,370.17
  4. Step 4: Simplify right side
    111,414,186.95x = 10,268,155,982,585,174
  5. Step 5: Solve for x
    x = 10,268,155,982,585,174/111,414,186.95
  6. Step 6: Final answer
    x = 92,162,015.13

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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.