Home / 68,986,054.37-103,506,686.96-28,048,640.19

Finding the Fourth Proportional to 68,986,054.37, 103,506,686.96 and 28,048,640.19

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Solution

The fourth proportional to 68,986,054.37, 103,506,686.96 and 28,048,640.19 is: 42,084,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,986,054.37 : 103,506,686.96 = 28,048,640.19 : x
  2. Step 2: Convert to fraction form
    68,986,054.37/103,506,686.96 = 28,048,640.19/x
  3. Step 3: Cross multiply
    68,986,054.37x = 103,506,686.96 × 28,048,640.19
  4. Step 4: Simplify right side
    68,986,054.37x = 2,903,221,819,659,762
  5. Step 5: Solve for x
    x = 2,903,221,819,659,762/68,986,054.37
  6. Step 6: Final answer
    x = 42,084,184.21

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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.