Home / 152,953,747.20-211,073,502.72-83,339,704.32

Finding the Fourth Proportional to 152,953,747.20, 211,073,502.72 and 83,339,704.32

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Solution

The fourth proportional to 152,953,747.20, 211,073,502.72 and 83,339,704.32 is: 115,007,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,953,747.20 : 211,073,502.72 = 83,339,704.32 : x
  2. Step 2: Convert to fraction form
    152,953,747.20/211,073,502.72 = 83,339,704.32/x
  3. Step 3: Cross multiply
    152,953,747.20x = 211,073,502.72 × 83,339,704.32
  4. Step 4: Simplify right side
    152,953,747.20x = 17,590,803,306,471,514
  5. Step 5: Solve for x
    x = 17,590,803,306,471,514/152,953,747.20
  6. Step 6: Final answer
    x = 115,007,338.03

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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.