Home / 147,645,604.80-221,507,114.40-56,772,158.40

Finding the Fourth Proportional to 147,645,604.80, 221,507,114.40 and 56,772,158.40

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Solution

The fourth proportional to 147,645,604.80, 221,507,114.40 and 56,772,158.40 is: 85,173,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,645,604.80 : 221,507,114.40 = 56,772,158.40 : x
  2. Step 2: Convert to fraction form
    147,645,604.80/221,507,114.40 = 56,772,158.40/x
  3. Step 3: Cross multiply
    147,645,604.80x = 221,507,114.40 × 56,772,158.40
  4. Step 4: Simplify right side
    147,645,604.80x = 12,575,436,985,443,720
  5. Step 5: Solve for x
    x = 12,575,436,985,443,720/147,645,604.80
  6. Step 6: Final answer
    x = 85,173,121.15

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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.