Home / 78,101,316.36-107,780,693.40-44,615,230.20

Finding the Fourth Proportional to 78,101,316.36, 107,780,693.40 and 44,615,230.20

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Solution

The fourth proportional to 78,101,316.36, 107,780,693.40 and 44,615,230.20 is: 61,569,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,101,316.36 : 107,780,693.40 = 44,615,230.20 : x
  2. Step 2: Convert to fraction form
    78,101,316.36/107,780,693.40 = 44,615,230.20/x
  3. Step 3: Cross multiply
    78,101,316.36x = 107,780,693.40 × 44,615,230.20
  4. Step 4: Simplify right side
    78,101,316.36x = 4,808,660,447,156,621
  5. Step 5: Solve for x
    x = 4,808,660,447,156,621/78,101,316.36
  6. Step 6: Final answer
    x = 61,569,518.56

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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.