Home / 141,913,612.80-212,870,419.20-39,677,486.40

Finding the Fourth Proportional to 141,913,612.80, 212,870,419.20 and 39,677,486.40

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Solution

The fourth proportional to 141,913,612.80, 212,870,419.20 and 39,677,486.40 is: 59,516,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,913,612.80 : 212,870,419.20 = 39,677,486.40 : x
  2. Step 2: Convert to fraction form
    141,913,612.80/212,870,419.20 = 39,677,486.40/x
  3. Step 3: Cross multiply
    141,913,612.80x = 212,870,419.20 × 39,677,486.40
  4. Step 4: Simplify right side
    141,913,612.80x = 8,446,163,162,770,298
  5. Step 5: Solve for x
    x = 8,446,163,162,770,298/141,913,612.80
  6. Step 6: Final answer
    x = 59,516,229.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.