Home / 140,595,391.20-211,017,502.80-83,015,666.40

Finding the Fourth Proportional to 140,595,391.20, 211,017,502.80 and 83,015,666.40

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Solution

The fourth proportional to 140,595,391.20, 211,017,502.80 and 83,015,666.40 is: 124,596,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,595,391.20 : 211,017,502.80 = 83,015,666.40 : x
  2. Step 2: Convert to fraction form
    140,595,391.20/211,017,502.80 = 83,015,666.40/x
  3. Step 3: Cross multiply
    140,595,391.20x = 211,017,502.80 × 83,015,666.40
  4. Step 4: Simplify right side
    140,595,391.20x = 17,517,758,617,005,868
  5. Step 5: Solve for x
    x = 17,517,758,617,005,868/140,595,391.20
  6. Step 6: Final answer
    x = 124,596,962.02

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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.