Home / 118,336,355.84-177,185,562.24-77,294,161.28

Finding the Fourth Proportional to 118,336,355.84, 177,185,562.24 and 77,294,161.28

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Solution

The fourth proportional to 118,336,355.84, 177,185,562.24 and 77,294,161.28 is: 115,732,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,336,355.84 : 177,185,562.24 = 77,294,161.28 : x
  2. Step 2: Convert to fraction form
    118,336,355.84/177,185,562.24 = 77,294,161.28/x
  3. Step 3: Cross multiply
    118,336,355.84x = 177,185,562.24 × 77,294,161.28
  4. Step 4: Simplify right side
    118,336,355.84x = 13,695,409,424,266,040
  5. Step 5: Solve for x
    x = 13,695,409,424,266,040/118,336,355.84
  6. Step 6: Final answer
    x = 115,732,898.20

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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.