Home / 115,430,333,449.34-159,293,856,708.40-63,988,762,934.62

Finding the Fourth Proportional to 115,430,333,449.34, 159,293,856,708.40 and 63,988,762,934.62

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Solution

The fourth proportional to 115,430,333,449.34, 159,293,856,708.40 and 63,988,762,934.62 is: 88,304,490,936.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,430,333,449.34 : 159,293,856,708.40 = 63,988,762,934.62 : x
  2. Step 2: Convert to fraction form
    115,430,333,449.34/159,293,856,708.40 = 63,988,762,934.62/x
  3. Step 3: Cross multiply
    115,430,333,449.34x = 159,293,856,708.40 × 63,988,762,934.62
  4. Step 4: Simplify right side
    115,430,333,449.34x = 10,193,016,833,855,134,367,744
  5. Step 5: Solve for x
    x = 10,193,016,833,855,134,367,744/115,430,333,449.34
  6. Step 6: Final answer
    x = 88,304,490,936.33

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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.