Home / 118,432,871.40-177,649,307.10-37,662,004.20

Finding the Fourth Proportional to 118,432,871.40, 177,649,307.10 and 37,662,004.20

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Solution

The fourth proportional to 118,432,871.40, 177,649,307.10 and 37,662,004.20 is: 56,493,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,432,871.40 : 177,649,307.10 = 37,662,004.20 : x
  2. Step 2: Convert to fraction form
    118,432,871.40/177,649,307.10 = 37,662,004.20/x
  3. Step 3: Cross multiply
    118,432,871.40x = 177,649,307.10 × 37,662,004.20
  4. Step 4: Simplify right side
    118,432,871.40x = 6,690,628,950,127,290
  5. Step 5: Solve for x
    x = 6,690,628,950,127,290/118,432,871.40
  6. Step 6: Final answer
    x = 56,493,006.30

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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.