Home / 80,525,038.40-120,756,064.80-29,380,731.20

Finding the Fourth Proportional to 80,525,038.40, 120,756,064.80 and 29,380,731.20

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Solution

The fourth proportional to 80,525,038.40, 120,756,064.80 and 29,380,731.20 is: 44,059,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,525,038.40 : 120,756,064.80 = 29,380,731.20 : x
  2. Step 2: Convert to fraction form
    80,525,038.40/120,756,064.80 = 29,380,731.20/x
  3. Step 3: Cross multiply
    80,525,038.40x = 120,756,064.80 × 29,380,731.20
  4. Step 4: Simplify right side
    80,525,038.40x = 3,547,901,480,658,581.50
  5. Step 5: Solve for x
    x = 3,547,901,480,658,581.50/80,525,038.40
  6. Step 6: Final answer
    x = 44,059,606.19

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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.