Home / 242,551,990.80-363,827,986.20-70,034,432.40

Finding the Fourth Proportional to 242,551,990.80, 363,827,986.20 and 70,034,432.40

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Solution

The fourth proportional to 242,551,990.80, 363,827,986.20 and 70,034,432.40 is: 105,051,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,551,990.80 : 363,827,986.20 = 70,034,432.40 : x
  2. Step 2: Convert to fraction form
    242,551,990.80/363,827,986.20 = 70,034,432.40/x
  3. Step 3: Cross multiply
    242,551,990.80x = 363,827,986.20 × 70,034,432.40
  4. Step 4: Simplify right side
    242,551,990.80x = 25,480,486,504,752,036
  5. Step 5: Solve for x
    x = 25,480,486,504,752,036/242,551,990.80
  6. Step 6: Final answer
    x = 105,051,648.60

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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.