Home / 69,066,658.70-103,637,312.85-30,734,089.10

Finding the Fourth Proportional to 69,066,658.70, 103,637,312.85 and 30,734,089.10

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Solution

The fourth proportional to 69,066,658.70, 103,637,312.85 and 30,734,089.10 is: 46,117,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,066,658.70 : 103,637,312.85 = 30,734,089.10 : x
  2. Step 2: Convert to fraction form
    69,066,658.70/103,637,312.85 = 30,734,089.10/x
  3. Step 3: Cross multiply
    69,066,658.70x = 103,637,312.85 × 30,734,089.10
  4. Step 4: Simplify right side
    69,066,658.70x = 3,185,198,407,216,475
  5. Step 5: Solve for x
    x = 3,185,198,407,216,475/69,066,658.70
  6. Step 6: Final answer
    x = 46,117,742.88

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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.