Home / 125,302,916.07-172,903,999.98-69,550,686.32

Finding the Fourth Proportional to 125,302,916.07, 172,903,999.98 and 69,550,686.32

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Solution

The fourth proportional to 125,302,916.07, 172,903,999.98 and 69,550,686.32 is: 95,972,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,302,916.07 : 172,903,999.98 = 69,550,686.32 : x
  2. Step 2: Convert to fraction form
    125,302,916.07/172,903,999.98 = 69,550,686.32/x
  3. Step 3: Cross multiply
    125,302,916.07x = 172,903,999.98 × 69,550,686.32
  4. Step 4: Simplify right side
    125,302,916.07x = 12,025,591,866,082,264
  5. Step 5: Solve for x
    x = 12,025,591,866,082,264/125,302,916.07
  6. Step 6: Final answer
    x = 95,972,162.85

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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.