Home / 130,256,894.52-179,757,085.20-71,519,045.76

Finding the Fourth Proportional to 130,256,894.52, 179,757,085.20 and 71,519,045.76

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Solution

The fourth proportional to 130,256,894.52, 179,757,085.20 and 71,519,045.76 is: 98,697,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,256,894.52 : 179,757,085.20 = 71,519,045.76 : x
  2. Step 2: Convert to fraction form
    130,256,894.52/179,757,085.20 = 71,519,045.76/x
  3. Step 3: Cross multiply
    130,256,894.52x = 179,757,085.20 × 71,519,045.76
  4. Step 4: Simplify right side
    130,256,894.52x = 12,856,055,202,103,018
  5. Step 5: Solve for x
    x = 12,856,055,202,103,018/130,256,894.52
  6. Step 6: Final answer
    x = 98,697,694.66

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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.