Home / 342,360,746.98-472,417,972.66-191,661,654.82

Finding the Fourth Proportional to 342,360,746.98, 472,417,972.66 and 191,661,654.82

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Solution

The fourth proportional to 342,360,746.98, 472,417,972.66 and 191,661,654.82 is: 264,470,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,360,746.98 : 472,417,972.66 = 191,661,654.82 : x
  2. Step 2: Convert to fraction form
    342,360,746.98/472,417,972.66 = 191,661,654.82/x
  3. Step 3: Cross multiply
    342,360,746.98x = 472,417,972.66 × 191,661,654.82
  4. Step 4: Simplify right side
    342,360,746.98x = 90,544,410,406,725,120
  5. Step 5: Solve for x
    x = 90,544,410,406,725,120/342,360,746.98
  6. Step 6: Final answer
    x = 264,470,770.10

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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.