Home / 137,697,701.88-190,023,278.22-74,974,541.88

Finding the Fourth Proportional to 137,697,701.88, 190,023,278.22 and 74,974,541.88

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Solution

The fourth proportional to 137,697,701.88, 190,023,278.22 and 74,974,541.88 is: 103,465,112.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,697,701.88 : 190,023,278.22 = 74,974,541.88 : x
  2. Step 2: Convert to fraction form
    137,697,701.88/190,023,278.22 = 74,974,541.88/x
  3. Step 3: Cross multiply
    137,697,701.88x = 190,023,278.22 × 74,974,541.88
  4. Step 4: Simplify right side
    137,697,701.88x = 14,246,908,231,080,280
  5. Step 5: Solve for x
    x = 14,246,908,231,080,280/137,697,701.88
  6. Step 6: Final answer
    x = 103,465,112.61

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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.