Home / 120,967,508.40-181,451,262.60-30,091,097.40

Finding the Fourth Proportional to 120,967,508.40, 181,451,262.60 and 30,091,097.40

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Solution

The fourth proportional to 120,967,508.40, 181,451,262.60 and 30,091,097.40 is: 45,136,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,967,508.40 : 181,451,262.60 = 30,091,097.40 : x
  2. Step 2: Convert to fraction form
    120,967,508.40/181,451,262.60 = 30,091,097.40/x
  3. Step 3: Cross multiply
    120,967,508.40x = 181,451,262.60 × 30,091,097.40
  4. Step 4: Simplify right side
    120,967,508.40x = 5,460,067,616,249,577
  5. Step 5: Solve for x
    x = 5,460,067,616,249,577/120,967,508.40
  6. Step 6: Final answer
    x = 45,136,646.10

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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.