Home / 85,373,953.02-128,041,763.22-39,271,544.70

Finding the Fourth Proportional to 85,373,953.02, 128,041,763.22 and 39,271,544.70

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Solution

The fourth proportional to 85,373,953.02, 128,041,763.22 and 39,271,544.70 is: 58,898,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,373,953.02 : 128,041,763.22 = 39,271,544.70 : x
  2. Step 2: Convert to fraction form
    85,373,953.02/128,041,763.22 = 39,271,544.70/x
  3. Step 3: Cross multiply
    85,373,953.02x = 128,041,763.22 × 39,271,544.70
  4. Step 4: Simplify right side
    85,373,953.02x = 5,028,397,827,761,046
  5. Step 5: Solve for x
    x = 5,028,397,827,761,046/85,373,953.02
  6. Step 6: Final answer
    x = 58,898,500.65

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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.