Home / 74,898,083.80-112,347,125.70-66,238,730.20

Finding the Fourth Proportional to 74,898,083.80, 112,347,125.70 and 66,238,730.20

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Solution

The fourth proportional to 74,898,083.80, 112,347,125.70 and 66,238,730.20 is: 99,358,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,898,083.80 : 112,347,125.70 = 66,238,730.20 : x
  2. Step 2: Convert to fraction form
    74,898,083.80/112,347,125.70 = 66,238,730.20/x
  3. Step 3: Cross multiply
    74,898,083.80x = 112,347,125.70 × 66,238,730.20
  4. Step 4: Simplify right side
    74,898,083.80x = 7,441,730,947,987,787
  5. Step 5: Solve for x
    x = 7,441,730,947,987,787/74,898,083.80
  6. Step 6: Final answer
    x = 99,358,095.30

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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.