Home / 165,074,670.60-247,024,140.30-143,743,547.40

Finding the Fourth Proportional to 165,074,670.60, 247,024,140.30 and 143,743,547.40

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Solution

The fourth proportional to 165,074,670.60, 247,024,140.30 and 143,743,547.40 is: 215,103,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,074,670.60 : 247,024,140.30 = 143,743,547.40 : x
  2. Step 2: Convert to fraction form
    165,074,670.60/247,024,140.30 = 143,743,547.40/x
  3. Step 3: Cross multiply
    165,074,670.60x = 247,024,140.30 × 143,743,547.40
  4. Step 4: Simplify right side
    165,074,670.60x = 35,508,126,220,157,304
  5. Step 5: Solve for x
    x = 35,508,126,220,157,304/165,074,670.60
  6. Step 6: Final answer
    x = 215,103,420.11

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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.