Home / 55,423,227.07-76,486,719.14-30,642,955.39

Finding the Fourth Proportional to 55,423,227.07, 76,486,719.14 and 30,642,955.39

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Solution

The fourth proportional to 55,423,227.07, 76,486,719.14 and 30,642,955.39 is: 42,288,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423,227.07 : 76,486,719.14 = 30,642,955.39 : x
  2. Step 2: Convert to fraction form
    55,423,227.07/76,486,719.14 = 30,642,955.39/x
  3. Step 3: Cross multiply
    55,423,227.07x = 76,486,719.14 × 30,642,955.39
  4. Step 4: Simplify right side
    55,423,227.07x = 2,343,779,122,304,958.50
  5. Step 5: Solve for x
    x = 2,343,779,122,304,958.50/55,423,227.07
  6. Step 6: Final answer
    x = 42,288,752.32

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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.