Home / 175,617,386.78-263,323,970.42-66,450,990.89

Finding the Fourth Proportional to 175,617,386.78, 263,323,970.42 and 66,450,990.89

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Solution

The fourth proportional to 175,617,386.78, 263,323,970.42 and 66,450,990.89 is: 99,637,849.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,617,386.78 : 263,323,970.42 = 66,450,990.89 : x
  2. Step 2: Convert to fraction form
    175,617,386.78/263,323,970.42 = 66,450,990.89/x
  3. Step 3: Cross multiply
    175,617,386.78x = 263,323,970.42 × 66,450,990.89
  4. Step 4: Simplify right side
    175,617,386.78x = 17,498,138,759,498,048
  5. Step 5: Solve for x
    x = 17,498,138,759,498,048/175,617,386.78
  6. Step 6: Final answer
    x = 99,637,849.53

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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.