Home / 120,988,886.24-181,483,052.24-51,856,863.28

Finding the Fourth Proportional to 120,988,886.24, 181,483,052.24 and 51,856,863.28

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Solution

The fourth proportional to 120,988,886.24, 181,483,052.24 and 51,856,863.28 is: 77,785,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,988,886.24 : 181,483,052.24 = 51,856,863.28 : x
  2. Step 2: Convert to fraction form
    120,988,886.24/181,483,052.24 = 51,856,863.28/x
  3. Step 3: Cross multiply
    120,988,886.24x = 181,483,052.24 × 51,856,863.28
  4. Step 4: Simplify right side
    120,988,886.24x = 9,411,141,827,646,778
  5. Step 5: Solve for x
    x = 9,411,141,827,646,778/120,988,886.24
  6. Step 6: Final answer
    x = 77,785,176.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.