Home / 140,020,046.48-193,222,598.93-77,294,797.21

Finding the Fourth Proportional to 140,020,046.48, 193,222,598.93 and 77,294,797.21

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Solution

The fourth proportional to 140,020,046.48, 193,222,598.93 and 77,294,797.21 is: 106,664,024.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,020,046.48 : 193,222,598.93 = 77,294,797.21 : x
  2. Step 2: Convert to fraction form
    140,020,046.48/193,222,598.93 = 77,294,797.21/x
  3. Step 3: Cross multiply
    140,020,046.48x = 193,222,598.93 × 77,294,797.21
  4. Step 4: Simplify right side
    140,020,046.48x = 14,935,101,600,175,942
  5. Step 5: Solve for x
    x = 14,935,101,600,175,942/140,020,046.48
  6. Step 6: Final answer
    x = 106,664,024.01

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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.