Home / 109,111,751.34-163,689,188.10-40,025,196.36

Finding the Fourth Proportional to 109,111,751.34, 163,689,188.10 and 40,025,196.36

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Solution

The fourth proportional to 109,111,751.34, 163,689,188.10 and 40,025,196.36 is: 60,045,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,111,751.34 : 163,689,188.10 = 40,025,196.36 : x
  2. Step 2: Convert to fraction form
    109,111,751.34/163,689,188.10 = 40,025,196.36/x
  3. Step 3: Cross multiply
    109,111,751.34x = 163,689,188.10 × 40,025,196.36
  4. Step 4: Simplify right side
    109,111,751.34x = 6,551,691,895,711,475
  5. Step 5: Solve for x
    x = 6,551,691,895,711,475/109,111,751.34
  6. Step 6: Final answer
    x = 60,045,703.74

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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.