Home / 214,990,807.20-322,486,210.80-117,909,002.40

Finding the Fourth Proportional to 214,990,807.20, 322,486,210.80 and 117,909,002.40

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Solution

The fourth proportional to 214,990,807.20, 322,486,210.80 and 117,909,002.40 is: 176,863,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,990,807.20 : 322,486,210.80 = 117,909,002.40 : x
  2. Step 2: Convert to fraction form
    214,990,807.20/322,486,210.80 = 117,909,002.40/x
  3. Step 3: Cross multiply
    214,990,807.20x = 322,486,210.80 × 117,909,002.40
  4. Step 4: Simplify right side
    214,990,807.20x = 38,024,027,403,184,112
  5. Step 5: Solve for x
    x = 38,024,027,403,184,112/214,990,807.20
  6. Step 6: Final answer
    x = 176,863,503.60

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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.