Home / 144,367,651.55-216,551,477.33-128,495,280.35

Finding the Fourth Proportional to 144,367,651.55, 216,551,477.33 and 128,495,280.35

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Solution

The fourth proportional to 144,367,651.55, 216,551,477.33 and 128,495,280.35 is: 192,742,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,367,651.55 : 216,551,477.33 = 128,495,280.35 : x
  2. Step 2: Convert to fraction form
    144,367,651.55/216,551,477.33 = 128,495,280.35/x
  3. Step 3: Cross multiply
    144,367,651.55x = 216,551,477.33 × 128,495,280.35
  4. Step 4: Simplify right side
    144,367,651.55x = 27,825,842,789,082,540
  5. Step 5: Solve for x
    x = 27,825,842,789,082,540/144,367,651.55
  6. Step 6: Final answer
    x = 192,742,920.53

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Similar ratio
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1.5x scale

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.