Home / 130,762,580.38-180,436,638.89-75,005,119.26

Finding the Fourth Proportional to 130,762,580.38, 180,436,638.89 and 75,005,119.26

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Solution

The fourth proportional to 130,762,580.38, 180,436,638.89 and 75,005,119.26 is: 103,498,046.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,762,580.38 : 180,436,638.89 = 75,005,119.26 : x
  2. Step 2: Convert to fraction form
    130,762,580.38/180,436,638.89 = 75,005,119.26/x
  3. Step 3: Cross multiply
    130,762,580.38x = 180,436,638.89 × 75,005,119.26
  4. Step 4: Simplify right side
    130,762,580.38x = 13,533,671,619,005,518
  5. Step 5: Solve for x
    x = 13,533,671,619,005,518/130,762,580.38
  6. Step 6: Final answer
    x = 103,498,046.46

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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.