Home / 141,875,560.80-212,813,341.20-77,154,357.60

Finding the Fourth Proportional to 141,875,560.80, 212,813,341.20 and 77,154,357.60

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Solution

The fourth proportional to 141,875,560.80, 212,813,341.20 and 77,154,357.60 is: 115,731,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,875,560.80 : 212,813,341.20 = 77,154,357.60 : x
  2. Step 2: Convert to fraction form
    141,875,560.80/212,813,341.20 = 77,154,357.60/x
  3. Step 3: Cross multiply
    141,875,560.80x = 212,813,341.20 × 77,154,357.60
  4. Step 4: Simplify right side
    141,875,560.80x = 16,419,476,628,995,610
  5. Step 5: Solve for x
    x = 16,419,476,628,995,610/141,875,560.80
  6. Step 6: Final answer
    x = 115,731,536.40

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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.