Home / 139,969,219.20-209,953,828.80-63,441,715.20

Finding the Fourth Proportional to 139,969,219.20, 209,953,828.80 and 63,441,715.20

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Solution

The fourth proportional to 139,969,219.20, 209,953,828.80 and 63,441,715.20 is: 95,162,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,219.20 : 209,953,828.80 = 63,441,715.20 : x
  2. Step 2: Convert to fraction form
    139,969,219.20/209,953,828.80 = 63,441,715.20/x
  3. Step 3: Cross multiply
    139,969,219.20x = 209,953,828.80 × 63,441,715.20
  4. Step 4: Simplify right side
    139,969,219.20x = 13,319,831,011,879,160
  5. Step 5: Solve for x
    x = 13,319,831,011,879,160/139,969,219.20
  6. Step 6: Final answer
    x = 95,162,572.80

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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.