Home / 202,391,510.45-303,393,322.46-85,646,268.96

Finding the Fourth Proportional to 202,391,510.45, 303,393,322.46 and 85,646,268.96

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Solution

The fourth proportional to 202,391,510.45, 303,393,322.46 and 85,646,268.96 is: 128,387,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,391,510.45 : 303,393,322.46 = 85,646,268.96 : x
  2. Step 2: Convert to fraction form
    202,391,510.45/303,393,322.46 = 85,646,268.96/x
  3. Step 3: Cross multiply
    202,391,510.45x = 303,393,322.46 × 85,646,268.96
  4. Step 4: Simplify right side
    202,391,510.45x = 25,984,506,095,648,936
  5. Step 5: Solve for x
    x = 25,984,506,095,648,936/202,391,510.45
  6. Step 6: Final answer
    x = 128,387,332.25

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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.