Home / 412,928,934.84-619,376,603.40-102,028,721.13

Finding the Fourth Proportional to 412,928,934.84, 619,376,603.40 and 102,028,721.13

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Solution

The fourth proportional to 412,928,934.84, 619,376,603.40 and 102,028,721.13 is: 153,038,930.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,928,934.84 : 619,376,603.40 = 102,028,721.13 : x
  2. Step 2: Convert to fraction form
    412,928,934.84/619,376,603.40 = 102,028,721.13/x
  3. Step 3: Cross multiply
    412,928,934.84x = 619,376,603.40 × 102,028,721.13
  4. Step 4: Simplify right side
    412,928,934.84x = 63,194,202,742,745,208
  5. Step 5: Solve for x
    x = 63,194,202,742,745,208/412,928,934.84
  6. Step 6: Final answer
    x = 153,038,930.94

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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.