Home / 139,969,214.90-209,953,822.35-42,924,151.70

Finding the Fourth Proportional to 139,969,214.90, 209,953,822.35 and 42,924,151.70

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Solution

The fourth proportional to 139,969,214.90, 209,953,822.35 and 42,924,151.70 is: 64,386,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,214.90 : 209,953,822.35 = 42,924,151.70 : x
  2. Step 2: Convert to fraction form
    139,969,214.90/209,953,822.35 = 42,924,151.70/x
  3. Step 3: Cross multiply
    139,969,214.90x = 209,953,822.35 × 42,924,151.70
  4. Step 4: Simplify right side
    139,969,214.90x = 9,012,089,720,546,250
  5. Step 5: Solve for x
    x = 9,012,089,720,546,250/139,969,214.90
  6. Step 6: Final answer
    x = 64,386,227.55

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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.