Home / 90,661,462.65-125,133,012-57,615,268.14

Finding the Fourth Proportional to 90,661,462.65, 125,133,012 and 57,615,268.14

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Solution

The fourth proportional to 90,661,462.65, 125,133,012 and 57,615,268.14 is: 79,521,903.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,661,462.65 : 125,133,012 = 57,615,268.14 : x
  2. Step 2: Convert to fraction form
    90,661,462.65/125,133,012 = 57,615,268.14/x
  3. Step 3: Cross multiply
    90,661,462.65x = 125,133,012 × 57,615,268.14
  4. Step 4: Simplify right side
    90,661,462.65x = 7,209,572,039,545,838
  5. Step 5: Solve for x
    x = 7,209,572,039,545,838/90,661,462.65
  6. Step 6: Final answer
    x = 79,521,903.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.