Home / 163,747,221.60-245,620,832.40-66,652,950.90

Finding the Fourth Proportional to 163,747,221.60, 245,620,832.40 and 66,652,950.90

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Solution

The fourth proportional to 163,747,221.60, 245,620,832.40 and 66,652,950.90 is: 99,979,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,747,221.60 : 245,620,832.40 = 66,652,950.90 : x
  2. Step 2: Convert to fraction form
    163,747,221.60/245,620,832.40 = 66,652,950.90/x
  3. Step 3: Cross multiply
    163,747,221.60x = 245,620,832.40 × 66,652,950.90
  4. Step 4: Simplify right side
    163,747,221.60x = 16,371,353,281,974,330
  5. Step 5: Solve for x
    x = 16,371,353,281,974,330/163,747,221.60
  6. Step 6: Final answer
    x = 99,979,426.35

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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.