Home / 137,695,540.64-190,024,509.78-74,974,071.11

Finding the Fourth Proportional to 137,695,540.64, 190,024,509.78 and 74,974,071.11

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Solution

The fourth proportional to 137,695,540.64, 190,024,509.78 and 74,974,071.11 is: 103,466,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,695,540.64 : 190,024,509.78 = 74,974,071.11 : x
  2. Step 2: Convert to fraction form
    137,695,540.64/190,024,509.78 = 74,974,071.11/x
  3. Step 3: Cross multiply
    137,695,540.64x = 190,024,509.78 × 74,974,071.11
  4. Step 4: Simplify right side
    137,695,540.64x = 14,246,911,107,938,488
  5. Step 5: Solve for x
    x = 14,246,911,107,938,488/137,695,540.64
  6. Step 6: Final answer
    x = 103,466,757.47

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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.