Home / 85,683,866.31-118,247,125.86-48,007,355.23

Finding the Fourth Proportional to 85,683,866.31, 118,247,125.86 and 48,007,355.23

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Solution

The fourth proportional to 85,683,866.31, 118,247,125.86 and 48,007,355.23 is: 66,252,049.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,683,866.31 : 118,247,125.86 = 48,007,355.23 : x
  2. Step 2: Convert to fraction form
    85,683,866.31/118,247,125.86 = 48,007,355.23/x
  3. Step 3: Cross multiply
    85,683,866.31x = 118,247,125.86 × 48,007,355.23
  4. Step 4: Simplify right side
    85,683,866.31x = 5,676,731,776,235,585
  5. Step 5: Solve for x
    x = 5,676,731,776,235,585/85,683,866.31
  6. Step 6: Final answer
    x = 66,252,049.78

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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.