Home / 315,216,053.70-472,824,080.55-194,283,701.70

Finding the Fourth Proportional to 315,216,053.70, 472,824,080.55 and 194,283,701.70

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Solution

The fourth proportional to 315,216,053.70, 472,824,080.55 and 194,283,701.70 is: 291,425,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,216,053.70 : 472,824,080.55 = 194,283,701.70 : x
  2. Step 2: Convert to fraction form
    315,216,053.70/472,824,080.55 = 194,283,701.70/x
  3. Step 3: Cross multiply
    315,216,053.70x = 472,824,080.55 × 194,283,701.70
  4. Step 4: Simplify right side
    315,216,053.70x = 91,862,012,622,152,976
  5. Step 5: Solve for x
    x = 91,862,012,622,152,976/315,216,053.70
  6. Step 6: Final answer
    x = 291,425,552.55

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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.