Home / 125,260,344,293.07-172,895,700,161.58-81,863,157,544.23

Finding the Fourth Proportional to 125,260,344,293.07, 172,895,700,161.58 and 81,863,157,544.23

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Solution

The fourth proportional to 125,260,344,293.07, 172,895,700,161.58 and 81,863,157,544.23 is: 112,994,962,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,260,344,293.07 : 172,895,700,161.58 = 81,863,157,544.23 : x
  2. Step 2: Convert to fraction form
    125,260,344,293.07/172,895,700,161.58 = 81,863,157,544.23/x
  3. Step 3: Cross multiply
    125,260,344,293.07x = 172,895,700,161.58 × 81,863,157,544.23
  4. Step 4: Simplify right side
    125,260,344,293.07x = 14,153,787,941,047,374,970,880
  5. Step 5: Solve for x
    x = 14,153,787,941,047,374,970,880/125,260,344,293.07
  6. Step 6: Final answer
    x = 112,994,962,778.74

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1.5x scale

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.