Home / 130,520,718,767.29-180,118,600,560.40-72,647,856,603.55

Finding the Fourth Proportional to 130,520,718,767.29, 180,118,600,560.40 and 72,647,856,603.55

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Solution

The fourth proportional to 130,520,718,767.29, 180,118,600,560.40 and 72,647,856,603.55 is: 100,254,046,933.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,520,718,767.29 : 180,118,600,560.40 = 72,647,856,603.55 : x
  2. Step 2: Convert to fraction form
    130,520,718,767.29/180,118,600,560.40 = 72,647,856,603.55/x
  3. Step 3: Cross multiply
    130,520,718,767.29x = 180,118,600,560.40 × 72,647,856,603.55
  4. Step 4: Simplify right side
    130,520,718,767.29x = 13,085,230,265,144,040,226,816
  5. Step 5: Solve for x
    x = 13,085,230,265,144,040,226,816/130,520,718,767.29
  6. Step 6: Final answer
    x = 100,254,046,933.91

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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.