Home / 153,601,134.77-211,990,302.78-86,633,839.18

Finding the Fourth Proportional to 153,601,134.77, 211,990,302.78 and 86,633,839.18

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Solution

The fourth proportional to 153,601,134.77, 211,990,302.78 and 86,633,839.18 is: 119,566,393.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,601,134.77 : 211,990,302.78 = 86,633,839.18 : x
  2. Step 2: Convert to fraction form
    153,601,134.77/211,990,302.78 = 86,633,839.18/x
  3. Step 3: Cross multiply
    153,601,134.77x = 211,990,302.78 × 86,633,839.18
  4. Step 4: Simplify right side
    153,601,134.77x = 18,365,533,797,268,908
  5. Step 5: Solve for x
    x = 18,365,533,797,268,908/153,601,134.77
  6. Step 6: Final answer
    x = 119,566,393.99

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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.