Home / 91,472,351.04-126,232,064.80-50,221,902.40

Finding the Fourth Proportional to 91,472,351.04, 126,232,064.80 and 50,221,902.40

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Solution

The fourth proportional to 91,472,351.04, 126,232,064.80 and 50,221,902.40 is: 69,306,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,472,351.04 : 126,232,064.80 = 50,221,902.40 : x
  2. Step 2: Convert to fraction form
    91,472,351.04/126,232,064.80 = 50,221,902.40/x
  3. Step 3: Cross multiply
    91,472,351.04x = 126,232,064.80 × 50,221,902.40
  4. Step 4: Simplify right side
    91,472,351.04x = 6,339,614,438,136,075
  5. Step 5: Solve for x
    x = 6,339,614,438,136,075/91,472,351.04
  6. Step 6: Final answer
    x = 69,306,346.30

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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.