Home / 78,999,830.76-109,014,619.62-44,186,482.92

Finding the Fourth Proportional to 78,999,830.76, 109,014,619.62 and 44,186,482.92

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Solution

The fourth proportional to 78,999,830.76, 109,014,619.62 and 44,186,482.92 is: 60,974,467.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,999,830.76 : 109,014,619.62 = 44,186,482.92 : x
  2. Step 2: Convert to fraction form
    78,999,830.76/109,014,619.62 = 44,186,482.92/x
  3. Step 3: Cross multiply
    78,999,830.76x = 109,014,619.62 × 44,186,482.92
  4. Step 4: Simplify right side
    78,999,830.76x = 4,816,972,627,869,427
  5. Step 5: Solve for x
    x = 4,816,972,627,869,427/78,999,830.76
  6. Step 6: Final answer
    x = 60,974,467.69

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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.