Home / 111,414,420.53-153,748,908.77-66,785,607.32

Finding the Fourth Proportional to 111,414,420.53, 153,748,908.77 and 66,785,607.32

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Solution

The fourth proportional to 111,414,420.53, 153,748,908.77 and 66,785,607.32 is: 92,162,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,414,420.53 : 153,748,908.77 = 66,785,607.32 : x
  2. Step 2: Convert to fraction form
    111,414,420.53/153,748,908.77 = 66,785,607.32/x
  3. Step 3: Cross multiply
    111,414,420.53x = 153,748,908.77 × 66,785,607.32
  4. Step 4: Simplify right side
    111,414,420.53x = 10,268,214,247,543,060
  5. Step 5: Solve for x
    x = 10,268,214,247,543,060/111,414,420.53
  6. Step 6: Final answer
    x = 92,162,344.87

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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.