Home / 130,859,929.74-180,593,804.75-75,104,904.39

Finding the Fourth Proportional to 130,859,929.74, 180,593,804.75 and 75,104,904.39

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Solution

The fourth proportional to 130,859,929.74, 180,593,804.75 and 75,104,904.39 is: 103,648,843.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,859,929.74 : 180,593,804.75 = 75,104,904.39 : x
  2. Step 2: Convert to fraction form
    130,859,929.74/180,593,804.75 = 75,104,904.39/x
  3. Step 3: Cross multiply
    130,859,929.74x = 180,593,804.75 × 75,104,904.39
  4. Step 4: Simplify right side
    130,859,929.74x = 13,563,480,439,137,986
  5. Step 5: Solve for x
    x = 13,563,480,439,137,986/130,859,929.74
  6. Step 6: Final answer
    x = 103,648,843.97

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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.