Home / 77,813,221.38-107,395,308.81-52,683,935.22

Finding the Fourth Proportional to 77,813,221.38, 107,395,308.81 and 52,683,935.22

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Solution

The fourth proportional to 77,813,221.38, 107,395,308.81 and 52,683,935.22 is: 72,712,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,813,221.38 : 107,395,308.81 = 52,683,935.22 : x
  2. Step 2: Convert to fraction form
    77,813,221.38/107,395,308.81 = 52,683,935.22/x
  3. Step 3: Cross multiply
    77,813,221.38x = 107,395,308.81 × 52,683,935.22
  4. Step 4: Simplify right side
    77,813,221.38x = 5,658,007,492,277,935
  5. Step 5: Solve for x
    x = 5,658,007,492,277,935/77,813,221.38
  6. Step 6: Final answer
    x = 72,712,675.20

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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.