Home / 144,367,650.30-216,551,475.45-128,495,279.10

Finding the Fourth Proportional to 144,367,650.30, 216,551,475.45 and 128,495,279.10

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Solution

The fourth proportional to 144,367,650.30, 216,551,475.45 and 128,495,279.10 is: 192,742,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,367,650.30 : 216,551,475.45 = 128,495,279.10 : x
  2. Step 2: Convert to fraction form
    144,367,650.30/216,551,475.45 = 128,495,279.10/x
  3. Step 3: Cross multiply
    144,367,650.30x = 216,551,475.45 × 128,495,279.10
  4. Step 4: Simplify right side
    144,367,650.30x = 27,825,842,277,464,544
  5. Step 5: Solve for x
    x = 27,825,842,277,464,544/144,367,650.30
  6. Step 6: Final answer
    x = 192,742,918.65

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Similar ratio
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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.