Home / 139,824,014.40-209,736,021.60-88,931,649.60

Finding the Fourth Proportional to 139,824,014.40, 209,736,021.60 and 88,931,649.60

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Solution

The fourth proportional to 139,824,014.40, 209,736,021.60 and 88,931,649.60 is: 133,397,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,824,014.40 : 209,736,021.60 = 88,931,649.60 : x
  2. Step 2: Convert to fraction form
    139,824,014.40/209,736,021.60 = 88,931,649.60/x
  3. Step 3: Cross multiply
    139,824,014.40x = 209,736,021.60 × 88,931,649.60
  4. Step 4: Simplify right side
    139,824,014.40x = 18,652,170,381,429,228
  5. Step 5: Solve for x
    x = 18,652,170,381,429,228/139,824,014.40
  6. Step 6: Final answer
    x = 133,397,474.40

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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.