Home / 126,142,643.76-174,036,087.18-70,379,023.20

Finding the Fourth Proportional to 126,142,643.76, 174,036,087.18 and 70,379,023.20

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Solution

The fourth proportional to 126,142,643.76, 174,036,087.18 and 70,379,023.20 is: 97,100,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,142,643.76 : 174,036,087.18 = 70,379,023.20 : x
  2. Step 2: Convert to fraction form
    126,142,643.76/174,036,087.18 = 70,379,023.20/x
  3. Step 3: Cross multiply
    126,142,643.76x = 174,036,087.18 × 70,379,023.20
  4. Step 4: Simplify right side
    126,142,643.76x = 12,248,489,817,278,444
  5. Step 5: Solve for x
    x = 12,248,489,817,278,444/126,142,643.76
  6. Step 6: Final answer
    x = 97,100,310.03

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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.