Home / 111,414,031.16-153,748,368-66,785,212.12

Finding the Fourth Proportional to 111,414,031.16, 153,748,368 and 66,785,212.12

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Solution

The fourth proportional to 111,414,031.16, 153,748,368 and 66,785,212.12 is: 92,161,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,414,031.16 : 153,748,368 = 66,785,212.12 : x
  2. Step 2: Convert to fraction form
    111,414,031.16/153,748,368 = 66,785,212.12/x
  3. Step 3: Cross multiply
    111,414,031.16x = 153,748,368 × 66,785,212.12
  4. Step 4: Simplify right side
    111,414,031.16x = 10,268,117,369,983,820
  5. Step 5: Solve for x
    x = 10,268,117,369,983,820/111,414,031.16
  6. Step 6: Final answer
    x = 92,161,797.42

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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.