Home / 100,960,599.09-139,336,336.14-59,179,768.70

Finding the Fourth Proportional to 100,960,599.09, 139,336,336.14 and 59,179,768.70

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Solution

The fourth proportional to 100,960,599.09, 139,336,336.14 and 59,179,768.70 is: 81,674,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,960,599.09 : 139,336,336.14 = 59,179,768.70 : x
  2. Step 2: Convert to fraction form
    100,960,599.09/139,336,336.14 = 59,179,768.70/x
  3. Step 3: Cross multiply
    100,960,599.09x = 139,336,336.14 × 59,179,768.70
  4. Step 4: Simplify right side
    100,960,599.09x = 8,245,892,144,569,643
  5. Step 5: Solve for x
    x = 8,245,892,144,569,643/100,960,599.09
  6. Step 6: Final answer
    x = 81,674,358.31

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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.