Home / 209,456,421.24-313,969,055.40-92,926,655.94

Finding the Fourth Proportional to 209,456,421.24, 313,969,055.40 and 92,926,655.94

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Solution

The fourth proportional to 209,456,421.24, 313,969,055.40 and 92,926,655.94 is: 139,294,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,456,421.24 : 313,969,055.40 = 92,926,655.94 : x
  2. Step 2: Convert to fraction form
    209,456,421.24/313,969,055.40 = 92,926,655.94/x
  3. Step 3: Cross multiply
    209,456,421.24x = 313,969,055.40 × 92,926,655.94
  4. Step 4: Simplify right side
    209,456,421.24x = 29,176,094,386,962,596
  5. Step 5: Solve for x
    x = 29,176,094,386,962,596/209,456,421.24
  6. Step 6: Final answer
    x = 139,294,342.06

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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.