Home / 130,859,930.74-180,593,806.13-75,104,905.39

Finding the Fourth Proportional to 130,859,930.74, 180,593,806.13 and 75,104,905.39

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Solution

The fourth proportional to 130,859,930.74, 180,593,806.13 and 75,104,905.39 is: 103,648,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,859,930.74 : 180,593,806.13 = 75,104,905.39 : x
  2. Step 2: Convert to fraction form
    130,859,930.74/180,593,806.13 = 75,104,905.39/x
  3. Step 3: Cross multiply
    130,859,930.74x = 180,593,806.13 × 75,104,905.39
  4. Step 4: Simplify right side
    130,859,930.74x = 13,563,480,723,413,652
  5. Step 5: Solve for x
    x = 13,563,480,723,413,652/130,859,930.74
  6. Step 6: Final answer
    x = 103,648,845.35

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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.