Home / 213,049,505.38-294,008,380.41-120,249,671.62

Finding the Fourth Proportional to 213,049,505.38, 294,008,380.41 and 120,249,671.62

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Solution

The fourth proportional to 213,049,505.38, 294,008,380.41 and 120,249,671.62 is: 165,944,582.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,049,505.38 : 294,008,380.41 = 120,249,671.62 : x
  2. Step 2: Convert to fraction form
    213,049,505.38/294,008,380.41 = 120,249,671.62/x
  3. Step 3: Cross multiply
    213,049,505.38x = 294,008,380.41 × 120,249,671.62
  4. Step 4: Simplify right side
    213,049,505.38x = 35,354,411,197,830,544
  5. Step 5: Solve for x
    x = 35,354,411,197,830,544/213,049,505.38
  6. Step 6: Final answer
    x = 165,944,582.39

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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.