Home / 240,585,559.47-331,970,148.89-140,130,529.28

Finding the Fourth Proportional to 240,585,559.47, 331,970,148.89 and 140,130,529.28

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Solution

The fourth proportional to 240,585,559.47, 331,970,148.89 and 140,130,529.28 is: 193,358,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,585,559.47 : 331,970,148.89 = 140,130,529.28 : x
  2. Step 2: Convert to fraction form
    240,585,559.47/331,970,148.89 = 140,130,529.28/x
  3. Step 3: Cross multiply
    240,585,559.47x = 331,970,148.89 × 140,130,529.28
  4. Step 4: Simplify right side
    240,585,559.47x = 46,519,152,666,755,600
  5. Step 5: Solve for x
    x = 46,519,152,666,755,600/240,585,559.47
  6. Step 6: Final answer
    x = 193,358,041.81

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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.