Home / 66,432,707.70-99,649,061.55-49,214,019.30

Finding the Fourth Proportional to 66,432,707.70, 99,649,061.55 and 49,214,019.30

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Solution

The fourth proportional to 66,432,707.70, 99,649,061.55 and 49,214,019.30 is: 73,821,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,707.70 : 99,649,061.55 = 49,214,019.30 : x
  2. Step 2: Convert to fraction form
    66,432,707.70/99,649,061.55 = 49,214,019.30/x
  3. Step 3: Cross multiply
    66,432,707.70x = 99,649,061.55 × 49,214,019.30
  4. Step 4: Simplify right side
    66,432,707.70x = 4,904,130,838,348,587
  5. Step 5: Solve for x
    x = 4,904,130,838,348,587/66,432,707.70
  6. Step 6: Final answer
    x = 73,821,028.95

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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.