Home / 86,405,412.30-129,757,417.65-46,094,628.30

Finding the Fourth Proportional to 86,405,412.30, 129,757,417.65 and 46,094,628.30

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Solution

The fourth proportional to 86,405,412.30, 129,757,417.65 and 46,094,628.30 is: 69,221,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,405,412.30 : 129,757,417.65 = 46,094,628.30 : x
  2. Step 2: Convert to fraction form
    86,405,412.30/129,757,417.65 = 46,094,628.30/x
  3. Step 3: Cross multiply
    86,405,412.30x = 129,757,417.65 × 46,094,628.30
  4. Step 4: Simplify right side
    86,405,412.30x = 5,981,119,935,744,609
  5. Step 5: Solve for x
    x = 5,981,119,935,744,609/86,405,412.30
  6. Step 6: Final answer
    x = 69,221,588.98

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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.