Home / 149,323,631.66-206,056,089.15-83,241,206.85

Finding the Fourth Proportional to 149,323,631.66, 206,056,089.15 and 83,241,206.85

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Solution

The fourth proportional to 149,323,631.66, 206,056,089.15 and 83,241,206.85 is: 114,866,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,323,631.66 : 206,056,089.15 = 83,241,206.85 : x
  2. Step 2: Convert to fraction form
    149,323,631.66/206,056,089.15 = 83,241,206.85/x
  3. Step 3: Cross multiply
    149,323,631.66x = 206,056,089.15 × 83,241,206.85
  4. Step 4: Simplify right side
    149,323,631.66x = 17,152,357,539,637,190
  5. Step 5: Solve for x
    x = 17,152,357,539,637,190/149,323,631.66
  6. Step 6: Final answer
    x = 114,866,999.61

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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.