Home / 78,390,976.10-117,578,861.62-23,804,034.30

Finding the Fourth Proportional to 78,390,976.10, 117,578,861.62 and 23,804,034.30

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Solution

The fourth proportional to 78,390,976.10, 117,578,861.62 and 23,804,034.30 is: 35,703,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,390,976.10 : 117,578,861.62 = 23,804,034.30 : x
  2. Step 2: Convert to fraction form
    78,390,976.10/117,578,861.62 = 23,804,034.30/x
  3. Step 3: Cross multiply
    78,390,976.10x = 117,578,861.62 × 23,804,034.30
  4. Step 4: Simplify right side
    78,390,976.10x = 2,798,851,254,897,923.50
  5. Step 5: Solve for x
    x = 2,798,851,254,897,923.50/78,390,976.10
  6. Step 6: Final answer
    x = 35,703,742.88

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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.