Home / 342,546,872.49-472,715,151.80-185,913,981.63

Finding the Fourth Proportional to 342,546,872.49, 472,715,151.80 and 185,913,981.63

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Solution

The fourth proportional to 342,546,872.49, 472,715,151.80 and 185,913,981.63 is: 256,561,548.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,546,872.49 : 472,715,151.80 = 185,913,981.63 : x
  2. Step 2: Convert to fraction form
    342,546,872.49/472,715,151.80 = 185,913,981.63/x
  3. Step 3: Cross multiply
    342,546,872.49x = 472,715,151.80 × 185,913,981.63
  4. Step 4: Simplify right side
    342,546,872.49x = 87,884,356,047,038,288
  5. Step 5: Solve for x
    x = 87,884,356,047,038,288/342,546,872.49
  6. Step 6: Final answer
    x = 256,561,548.52

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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.