Home / 249,131,187.07-343,803,923.89-137,619,717.86

Finding the Fourth Proportional to 249,131,187.07, 343,803,923.89 and 137,619,717.86

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Solution

The fourth proportional to 249,131,187.07, 343,803,923.89 and 137,619,717.86 is: 189,916,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,131,187.07 : 343,803,923.89 = 137,619,717.86 : x
  2. Step 2: Convert to fraction form
    249,131,187.07/343,803,923.89 = 137,619,717.86/x
  3. Step 3: Cross multiply
    249,131,187.07x = 343,803,923.89 × 137,619,717.86
  4. Step 4: Simplify right side
    249,131,187.07x = 47,314,199,005,418,176
  5. Step 5: Solve for x
    x = 47,314,199,005,418,176/249,131,187.07
  6. Step 6: Final answer
    x = 189,916,804.73

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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.