Home / 147,623,233.80-221,434,850.70-45,373,985.40

Finding the Fourth Proportional to 147,623,233.80, 221,434,850.70 and 45,373,985.40

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Solution

The fourth proportional to 147,623,233.80, 221,434,850.70 and 45,373,985.40 is: 68,060,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623,233.80 : 221,434,850.70 = 45,373,985.40 : x
  2. Step 2: Convert to fraction form
    147,623,233.80/221,434,850.70 = 45,373,985.40/x
  3. Step 3: Cross multiply
    147,623,233.80x = 221,434,850.70 × 45,373,985.40
  4. Step 4: Simplify right side
    147,623,233.80x = 10,047,381,682,712,978
  5. Step 5: Solve for x
    x = 10,047,381,682,712,978/147,623,233.80
  6. Step 6: Final answer
    x = 68,060,978.10

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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.