Home / 111,414,018.02-153,748,349.88-66,785,199.01

Finding the Fourth Proportional to 111,414,018.02, 153,748,349.88 and 66,785,199.01

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Solution

The fourth proportional to 111,414,018.02, 153,748,349.88 and 66,785,199.01 is: 92,161,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,414,018.02 : 153,748,349.88 = 66,785,199.01 : x
  2. Step 2: Convert to fraction form
    111,414,018.02/153,748,349.88 = 66,785,199.01/x
  3. Step 3: Cross multiply
    111,414,018.02x = 153,748,349.88 × 66,785,199.01
  4. Step 4: Simplify right side
    111,414,018.02x = 10,268,114,143,810,538
  5. Step 5: Solve for x
    x = 10,268,114,143,810,538/111,414,018.02
  6. Step 6: Final answer
    x = 92,161,779.34

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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.