Home / 79,182,057.80-118,773,086.70-40,440,008.90

Finding the Fourth Proportional to 79,182,057.80, 118,773,086.70 and 40,440,008.90

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Solution

The fourth proportional to 79,182,057.80, 118,773,086.70 and 40,440,008.90 is: 60,660,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,182,057.80 : 118,773,086.70 = 40,440,008.90 : x
  2. Step 2: Convert to fraction form
    79,182,057.80/118,773,086.70 = 40,440,008.90/x
  3. Step 3: Cross multiply
    79,182,057.80x = 118,773,086.70 × 40,440,008.90
  4. Step 4: Simplify right side
    79,182,057.80x = 4,803,184,683,228,472
  5. Step 5: Solve for x
    x = 4,803,184,683,228,472/79,182,057.80
  6. Step 6: Final answer
    x = 60,660,013.35

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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.