Home / 147,622,652.80-221,433,979.20-45,373,404.40

Finding the Fourth Proportional to 147,622,652.80, 221,433,979.20 and 45,373,404.40

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Solution

The fourth proportional to 147,622,652.80, 221,433,979.20 and 45,373,404.40 is: 68,060,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,652.80 : 221,433,979.20 = 45,373,404.40 : x
  2. Step 2: Convert to fraction form
    147,622,652.80/221,433,979.20 = 45,373,404.40/x
  3. Step 3: Cross multiply
    147,622,652.80x = 221,433,979.20 × 45,373,404.40
  4. Step 4: Simplify right side
    147,622,652.80x = 10,047,213,486,142,788
  5. Step 5: Solve for x
    x = 10,047,213,486,142,788/147,622,652.80
  6. Step 6: Final answer
    x = 68,060,106.60

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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.