Home / 137,799,908-190,163,768.58-75,920,246.58

Finding the Fourth Proportional to 137,799,908, 190,163,768.58 and 75,920,246.58

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Solution

The fourth proportional to 137,799,908, 190,163,768.58 and 75,920,246.58 is: 104,769,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,799,908 : 190,163,768.58 = 75,920,246.58 : x
  2. Step 2: Convert to fraction form
    137,799,908/190,163,768.58 = 75,920,246.58/x
  3. Step 3: Cross multiply
    137,799,908x = 190,163,768.58 × 75,920,246.58
  4. Step 4: Simplify right side
    137,799,908x = 14,437,280,201,175,658
  5. Step 5: Solve for x
    x = 14,437,280,201,175,658/137,799,908
  6. Step 6: Final answer
    x = 104,769,882.73

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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.