Home / 137,900,231.40-190,302,894.18-76,019,212.20

Finding the Fourth Proportional to 137,900,231.40, 190,302,894.18 and 76,019,212.20

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Solution

The fourth proportional to 137,900,231.40, 190,302,894.18 and 76,019,212.20 is: 104,906,829.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,900,231.40 : 190,302,894.18 = 76,019,212.20 : x
  2. Step 2: Convert to fraction form
    137,900,231.40/190,302,894.18 = 76,019,212.20/x
  3. Step 3: Cross multiply
    137,900,231.40x = 190,302,894.18 × 76,019,212.20
  4. Step 4: Simplify right side
    137,900,231.40x = 14,466,676,094,943,566
  5. Step 5: Solve for x
    x = 14,466,676,094,943,566/137,900,231.40
  6. Step 6: Final answer
    x = 104,906,829.73

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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.