Home / 147,577,692.60-221,500,870.92-78,548,449.32

Finding the Fourth Proportional to 147,577,692.60, 221,500,870.92 and 78,548,449.32

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Solution

The fourth proportional to 147,577,692.60, 221,500,870.92 and 78,548,449.32 is: 117,894,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,577,692.60 : 221,500,870.92 = 78,548,449.32 : x
  2. Step 2: Convert to fraction form
    147,577,692.60/221,500,870.92 = 78,548,449.32/x
  3. Step 3: Cross multiply
    147,577,692.60x = 221,500,870.92 × 78,548,449.32
  4. Step 4: Simplify right side
    147,577,692.60x = 17,398,549,933,795,480
  5. Step 5: Solve for x
    x = 17,398,549,933,795,480/147,577,692.60
  6. Step 6: Final answer
    x = 117,894,172.40

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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.