Home / 250,316,488.96-345,452,718.72-140,308,230.40

Finding the Fourth Proportional to 250,316,488.96, 345,452,718.72 and 140,308,230.40

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Solution

The fourth proportional to 250,316,488.96, 345,452,718.72 and 140,308,230.40 is: 193,634,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,316,488.96 : 345,452,718.72 = 140,308,230.40 : x
  2. Step 2: Convert to fraction form
    250,316,488.96/345,452,718.72 = 140,308,230.40/x
  3. Step 3: Cross multiply
    250,316,488.96x = 345,452,718.72 × 140,308,230.40
  4. Step 4: Simplify right side
    250,316,488.96x = 48,469,859,650,472,160
  5. Step 5: Solve for x
    x = 48,469,859,650,472,160/250,316,488.96
  6. Step 6: Final answer
    x = 193,634,306.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.