Home / 139,718,848.20-209,578,272.30-63,191,344.20

Finding the Fourth Proportional to 139,718,848.20, 209,578,272.30 and 63,191,344.20

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Solution

The fourth proportional to 139,718,848.20, 209,578,272.30 and 63,191,344.20 is: 94,787,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,718,848.20 : 209,578,272.30 = 63,191,344.20 : x
  2. Step 2: Convert to fraction form
    139,718,848.20/209,578,272.30 = 63,191,344.20/x
  3. Step 3: Cross multiply
    139,718,848.20x = 209,578,272.30 × 63,191,344.20
  4. Step 4: Simplify right side
    139,718,848.20x = 13,243,532,741,750,628
  5. Step 5: Solve for x
    x = 13,243,532,741,750,628/139,718,848.20
  6. Step 6: Final answer
    x = 94,787,016.30

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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.