Home / 68,707,357.65-103,061,036.48-57,945,677.40

Finding the Fourth Proportional to 68,707,357.65, 103,061,036.48 and 57,945,677.40

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Solution

The fourth proportional to 68,707,357.65, 103,061,036.48 and 57,945,677.40 is: 86,918,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,707,357.65 : 103,061,036.48 = 57,945,677.40 : x
  2. Step 2: Convert to fraction form
    68,707,357.65/103,061,036.48 = 57,945,677.40/x
  3. Step 3: Cross multiply
    68,707,357.65x = 103,061,036.48 × 57,945,677.40
  4. Step 4: Simplify right side
    68,707,357.65x = 5,971,941,572,089,983
  5. Step 5: Solve for x
    x = 5,971,941,572,089,983/68,707,357.65
  6. Step 6: Final answer
    x = 86,918,516.10

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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.