Home / 100,282,648.89-138,339,123.71-65,495,702.01

Finding the Fourth Proportional to 100,282,648.89, 138,339,123.71 and 65,495,702.01

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Solution

The fourth proportional to 100,282,648.89, 138,339,123.71 and 65,495,702.01 is: 90,350,804.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,282,648.89 : 138,339,123.71 = 65,495,702.01 : x
  2. Step 2: Convert to fraction form
    100,282,648.89/138,339,123.71 = 65,495,702.01/x
  3. Step 3: Cross multiply
    100,282,648.89x = 138,339,123.71 × 65,495,702.01
  4. Step 4: Simplify right side
    100,282,648.89x = 9,060,618,022,507,208
  5. Step 5: Solve for x
    x = 9,060,618,022,507,208/100,282,648.89
  6. Step 6: Final answer
    x = 90,350,804.68

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