Home / 68,986,055.46-103,506,688.62-28,048,641.29

Finding the Fourth Proportional to 68,986,055.46, 103,506,688.62 and 28,048,641.29

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Solution

The fourth proportional to 68,986,055.46, 103,506,688.62 and 28,048,641.29 is: 42,084,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,986,055.46 : 103,506,688.62 = 28,048,641.29 : x
  2. Step 2: Convert to fraction form
    68,986,055.46/103,506,688.62 = 28,048,641.29/x
  3. Step 3: Cross multiply
    68,986,055.46x = 103,506,688.62 × 28,048,641.29
  4. Step 4: Simplify right side
    68,986,055.46x = 2,903,221,980,088,722
  5. Step 5: Solve for x
    x = 2,903,221,980,088,722/68,986,055.46
  6. Step 6: Final answer
    x = 42,084,185.86

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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.