Home / 177,143,681.20-265,715,521.80-148,926,132.40

Finding the Fourth Proportional to 177,143,681.20, 265,715,521.80 and 148,926,132.40

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Solution

The fourth proportional to 177,143,681.20, 265,715,521.80 and 148,926,132.40 is: 223,389,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,143,681.20 : 265,715,521.80 = 148,926,132.40 : x
  2. Step 2: Convert to fraction form
    177,143,681.20/265,715,521.80 = 148,926,132.40/x
  3. Step 3: Cross multiply
    177,143,681.20x = 265,715,521.80 × 148,926,132.40
  4. Step 4: Simplify right side
    177,143,681.20x = 39,571,984,980,321,888
  5. Step 5: Solve for x
    x = 39,571,984,980,321,888/177,143,681.20
  6. Step 6: Final answer
    x = 223,389,198.60

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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.