Home / 77,304,128.33-115,703,833.35-56,828,428.31

Finding the Fourth Proportional to 77,304,128.33, 115,703,833.35 and 56,828,428.31

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Solution

The fourth proportional to 77,304,128.33, 115,703,833.35 and 56,828,428.31 is: 85,057,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,304,128.33 : 115,703,833.35 = 56,828,428.31 : x
  2. Step 2: Convert to fraction form
    77,304,128.33/115,703,833.35 = 56,828,428.31/x
  3. Step 3: Cross multiply
    77,304,128.33x = 115,703,833.35 × 56,828,428.31
  4. Step 4: Simplify right side
    77,304,128.33x = 6,575,266,999,225,029
  5. Step 5: Solve for x
    x = 6,575,266,999,225,029/77,304,128.33
  6. Step 6: Final answer
    x = 85,057,126.20

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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.