Home / 137,208,528.06-189,348,099.27-75,332,855.10

Finding the Fourth Proportional to 137,208,528.06, 189,348,099.27 and 75,332,855.10

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Solution

The fourth proportional to 137,208,528.06, 189,348,099.27 and 75,332,855.10 is: 103,959,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,208,528.06 : 189,348,099.27 = 75,332,855.10 : x
  2. Step 2: Convert to fraction form
    137,208,528.06/189,348,099.27 = 75,332,855.10/x
  3. Step 3: Cross multiply
    137,208,528.06x = 189,348,099.27 × 75,332,855.10
  4. Step 4: Simplify right side
    137,208,528.06x = 14,264,132,925,767,326
  5. Step 5: Solve for x
    x = 14,264,132,925,767,326/137,208,528.06
  6. Step 6: Final answer
    x = 103,959,521.52

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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.