Home / 142,374,459.61-213,446,762.42-130,882,373.22

Finding the Fourth Proportional to 142,374,459.61, 213,446,762.42 and 130,882,373.22

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Solution

The fourth proportional to 142,374,459.61, 213,446,762.42 and 130,882,373.22 is: 196,217,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,374,459.61 : 213,446,762.42 = 130,882,373.22 : x
  2. Step 2: Convert to fraction form
    142,374,459.61/213,446,762.42 = 130,882,373.22/x
  3. Step 3: Cross multiply
    142,374,459.61x = 213,446,762.42 × 130,882,373.22
  4. Step 4: Simplify right side
    142,374,459.61x = 27,936,418,821,000,696
  5. Step 5: Solve for x
    x = 27,936,418,821,000,696/142,374,459.61
  6. Step 6: Final answer
    x = 196,217,909.43

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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.