Home / 309,373,193.59-464,264,234.40-145,657,769.59

Finding the Fourth Proportional to 309,373,193.59, 464,264,234.40 and 145,657,769.59

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Solution

The fourth proportional to 309,373,193.59, 464,264,234.40 and 145,657,769.59 is: 218,582,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,373,193.59 : 464,264,234.40 = 145,657,769.59 : x
  2. Step 2: Convert to fraction form
    309,373,193.59/464,264,234.40 = 145,657,769.59/x
  3. Step 3: Cross multiply
    309,373,193.59x = 464,264,234.40 × 145,657,769.59
  4. Step 4: Simplify right side
    309,373,193.59x = 67,623,692,884,421,064
  5. Step 5: Solve for x
    x = 67,623,692,884,421,064/309,373,193.59
  6. Step 6: Final answer
    x = 218,582,909.85

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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.