Home / 134,764,545.07-185,975,072.49-72,884,883.63

Finding the Fourth Proportional to 134,764,545.07, 185,975,072.49 and 72,884,883.63

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Solution

The fourth proportional to 134,764,545.07, 185,975,072.49 and 72,884,883.63 is: 100,581,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,764,545.07 : 185,975,072.49 = 72,884,883.63 : x
  2. Step 2: Convert to fraction form
    134,764,545.07/185,975,072.49 = 72,884,883.63/x
  3. Step 3: Cross multiply
    134,764,545.07x = 185,975,072.49 × 72,884,883.63
  4. Step 4: Simplify right side
    134,764,545.07x = 13,554,771,516,514,464
  5. Step 5: Solve for x
    x = 13,554,771,516,514,464/134,764,545.07
  6. Step 6: Final answer
    x = 100,581,139.57

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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.