Home / 84,019,730.60-126,029,595.90-26,517,814.40

Finding the Fourth Proportional to 84,019,730.60, 126,029,595.90 and 26,517,814.40

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Solution

The fourth proportional to 84,019,730.60, 126,029,595.90 and 26,517,814.40 is: 39,776,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,019,730.60 : 126,029,595.90 = 26,517,814.40 : x
  2. Step 2: Convert to fraction form
    84,019,730.60/126,029,595.90 = 26,517,814.40/x
  3. Step 3: Cross multiply
    84,019,730.60x = 126,029,595.90 × 26,517,814.40
  4. Step 4: Simplify right side
    84,019,730.60x = 3,342,029,432,983,201
  5. Step 5: Solve for x
    x = 3,342,029,432,983,201/84,019,730.60
  6. Step 6: Final answer
    x = 39,776,721.60

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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.