Home / 48,410,947.60-72,616,421.40-43,120,157.20

Finding the Fourth Proportional to 48,410,947.60, 72,616,421.40 and 43,120,157.20

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Solution

The fourth proportional to 48,410,947.60, 72,616,421.40 and 43,120,157.20 is: 64,680,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,410,947.60 : 72,616,421.40 = 43,120,157.20 : x
  2. Step 2: Convert to fraction form
    48,410,947.60/72,616,421.40 = 43,120,157.20/x
  3. Step 3: Cross multiply
    48,410,947.60x = 72,616,421.40 × 43,120,157.20
  4. Step 4: Simplify right side
    48,410,947.60x = 3,131,231,506,069,444.50
  5. Step 5: Solve for x
    x = 3,131,231,506,069,444.50/48,410,947.60
  6. Step 6: Final answer
    x = 64,680,235.80

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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.