Home / 261,302,212.29-360,583,331.18-143,805,085.08

Finding the Fourth Proportional to 261,302,212.29, 360,583,331.18 and 143,805,085.08

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Solution

The fourth proportional to 261,302,212.29, 360,583,331.18 and 143,805,085.08 is: 198,443,465.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,302,212.29 : 360,583,331.18 = 143,805,085.08 : x
  2. Step 2: Convert to fraction form
    261,302,212.29/360,583,331.18 = 143,805,085.08/x
  3. Step 3: Cross multiply
    261,302,212.29x = 360,583,331.18 × 143,805,085.08
  4. Step 4: Simplify right side
    261,302,212.29x = 51,853,716,617,508,128
  5. Step 5: Solve for x
    x = 51,853,716,617,508,128/261,302,212.29
  6. Step 6: Final answer
    x = 198,443,465.76

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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.