Home / 139,715,371.40-209,573,057.10-48,829,483.40

Finding the Fourth Proportional to 139,715,371.40, 209,573,057.10 and 48,829,483.40

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Solution

The fourth proportional to 139,715,371.40, 209,573,057.10 and 48,829,483.40 is: 73,244,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,715,371.40 : 209,573,057.10 = 48,829,483.40 : x
  2. Step 2: Convert to fraction form
    139,715,371.40/209,573,057.10 = 48,829,483.40/x
  3. Step 3: Cross multiply
    139,715,371.40x = 209,573,057.10 × 48,829,483.40
  4. Step 4: Simplify right side
    139,715,371.40x = 10,233,344,112,751,702
  5. Step 5: Solve for x
    x = 10,233,344,112,751,702/139,715,371.40
  6. Step 6: Final answer
    x = 73,244,225.10

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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.