Home / 85,141,981.80-127,566,006.30-39,610,391.40

Finding the Fourth Proportional to 85,141,981.80, 127,566,006.30 and 39,610,391.40

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Solution

The fourth proportional to 85,141,981.80, 127,566,006.30 and 39,610,391.40 is: 59,347,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,141,981.80 : 127,566,006.30 = 39,610,391.40 : x
  2. Step 2: Convert to fraction form
    85,141,981.80/127,566,006.30 = 39,610,391.40/x
  3. Step 3: Cross multiply
    85,141,981.80x = 127,566,006.30 × 39,610,391.40
  4. Step 4: Simplify right side
    85,141,981.80x = 5,052,939,438,877,866
  5. Step 5: Solve for x
    x = 5,052,939,438,877,866/85,141,981.80
  6. Step 6: Final answer
    x = 59,347,214.29

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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.