Home / 139,404,213.60-209,106,320.40-93,487,711.20

Finding the Fourth Proportional to 139,404,213.60, 209,106,320.40 and 93,487,711.20

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Solution

The fourth proportional to 139,404,213.60, 209,106,320.40 and 93,487,711.20 is: 140,231,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,404,213.60 : 209,106,320.40 = 93,487,711.20 : x
  2. Step 2: Convert to fraction form
    139,404,213.60/209,106,320.40 = 93,487,711.20/x
  3. Step 3: Cross multiply
    139,404,213.60x = 209,106,320.40 × 93,487,711.20
  4. Step 4: Simplify right side
    139,404,213.60x = 19,548,871,291,649,868
  5. Step 5: Solve for x
    x = 19,548,871,291,649,868/139,404,213.60
  6. Step 6: Final answer
    x = 140,231,566.80

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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.