Home / 52,687,935.40-78,882,603.90-47,313,164.20

Finding the Fourth Proportional to 52,687,935.40, 78,882,603.90 and 47,313,164.20

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Solution

The fourth proportional to 52,687,935.40, 78,882,603.90 and 47,313,164.20 is: 70,835,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,687,935.40 : 78,882,603.90 = 47,313,164.20 : x
  2. Step 2: Convert to fraction form
    52,687,935.40/78,882,603.90 = 47,313,164.20/x
  3. Step 3: Cross multiply
    52,687,935.40x = 78,882,603.90 × 47,313,164.20
  4. Step 4: Simplify right side
    52,687,935.40x = 3,732,185,590,844,261
  5. Step 5: Solve for x
    x = 3,732,185,590,844,261/52,687,935.40
  6. Step 6: Final answer
    x = 70,835,677.32

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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.