Home / 140,965,482.34-194,516,587.80-78,244,224.26

Finding the Fourth Proportional to 140,965,482.34, 194,516,587.80 and 78,244,224.26

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Solution

The fourth proportional to 140,965,482.34, 194,516,587.80 and 78,244,224.26 is: 107,968,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,965,482.34 : 194,516,587.80 = 78,244,224.26 : x
  2. Step 2: Convert to fraction form
    140,965,482.34/194,516,587.80 = 78,244,224.26/x
  3. Step 3: Cross multiply
    140,965,482.34x = 194,516,587.80 × 78,244,224.26
  4. Step 4: Simplify right side
    140,965,482.34x = 15,219,799,517,721,958
  5. Step 5: Solve for x
    x = 15,219,799,517,721,958/140,965,482.34
  6. Step 6: Final answer
    x = 107,968,271.84

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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.