Home / 131,574,902.28-181,575,515.38-72,035,205.32

Finding the Fourth Proportional to 131,574,902.28, 181,575,515.38 and 72,035,205.32

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Solution

The fourth proportional to 131,574,902.28, 181,575,515.38 and 72,035,205.32 is: 99,409,760.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,574,902.28 : 181,575,515.38 = 72,035,205.32 : x
  2. Step 2: Convert to fraction form
    131,574,902.28/181,575,515.38 = 72,035,205.32/x
  3. Step 3: Cross multiply
    131,574,902.28x = 181,575,515.38 × 72,035,205.32
  4. Step 4: Simplify right side
    131,574,902.28x = 13,079,829,531,483,116
  5. Step 5: Solve for x
    x = 13,079,829,531,483,116/131,574,902.28
  6. Step 6: Final answer
    x = 99,409,760.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.