Home / 161,091,785.60-241,794,964.80-80,403,862.40

Finding the Fourth Proportional to 161,091,785.60, 241,794,964.80 and 80,403,862.40

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Solution

The fourth proportional to 161,091,785.60, 241,794,964.80 and 80,403,862.40 is: 120,684,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,091,785.60 : 241,794,964.80 = 80,403,862.40 : x
  2. Step 2: Convert to fraction form
    161,091,785.60/241,794,964.80 = 80,403,862.40/x
  3. Step 3: Cross multiply
    161,091,785.60x = 241,794,964.80 × 80,403,862.40
  4. Step 4: Simplify right side
    161,091,785.60x = 19,441,249,078,792,044
  5. Step 5: Solve for x
    x = 19,441,249,078,792,044/161,091,785.60
  6. Step 6: Final answer
    x = 120,684,298.12

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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.