Home / 85,177,787.60-127,766,681.40-57,968,008.40

Finding the Fourth Proportional to 85,177,787.60, 127,766,681.40 and 57,968,008.40

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Solution

The fourth proportional to 85,177,787.60, 127,766,681.40 and 57,968,008.40 is: 86,952,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,177,787.60 : 127,766,681.40 = 57,968,008.40 : x
  2. Step 2: Convert to fraction form
    85,177,787.60/127,766,681.40 = 57,968,008.40/x
  3. Step 3: Cross multiply
    85,177,787.60x = 127,766,681.40 × 57,968,008.40
  4. Step 4: Simplify right side
    85,177,787.60x = 7,406,380,060,635,324
  5. Step 5: Solve for x
    x = 7,406,380,060,635,324/85,177,787.60
  6. Step 6: Final answer
    x = 86,952,012.60

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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.