Home / 114,986,155.40-172,563,213.90-80,973,931.40

Finding the Fourth Proportional to 114,986,155.40, 172,563,213.90 and 80,973,931.40

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Solution

The fourth proportional to 114,986,155.40, 172,563,213.90 and 80,973,931.40 is: 121,520,036.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,986,155.40 : 172,563,213.90 = 80,973,931.40 : x
  2. Step 2: Convert to fraction form
    114,986,155.40/172,563,213.90 = 80,973,931.40/x
  3. Step 3: Cross multiply
    114,986,155.40x = 172,563,213.90 × 80,973,931.40
  4. Step 4: Simplify right side
    114,986,155.40x = 13,973,121,844,502,128
  5. Step 5: Solve for x
    x = 13,973,121,844,502,128/114,986,155.40
  6. Step 6: Final answer
    x = 121,520,036.88

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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.