Home / 177,909,830.40-267,036,890.35-85,858,369.01

Finding the Fourth Proportional to 177,909,830.40, 267,036,890.35 and 85,858,369.01

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Solution

The fourth proportional to 177,909,830.40, 267,036,890.35 and 85,858,369.01 is: 128,870,629.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,909,830.40 : 267,036,890.35 = 85,858,369.01 : x
  2. Step 2: Convert to fraction form
    177,909,830.40/267,036,890.35 = 85,858,369.01/x
  3. Step 3: Cross multiply
    177,909,830.40x = 267,036,890.35 × 85,858,369.01
  4. Step 4: Simplify right side
    177,909,830.40x = 22,927,351,869,403,376
  5. Step 5: Solve for x
    x = 22,927,351,869,403,376/177,909,830.40
  6. Step 6: Final answer
    x = 128,870,629.68

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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.