Home / 105,178,291.20-157,767,436.80-87,483,571.20

Finding the Fourth Proportional to 105,178,291.20, 157,767,436.80 and 87,483,571.20

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Solution

The fourth proportional to 105,178,291.20, 157,767,436.80 and 87,483,571.20 is: 131,225,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,178,291.20 : 157,767,436.80 = 87,483,571.20 : x
  2. Step 2: Convert to fraction form
    105,178,291.20/157,767,436.80 = 87,483,571.20/x
  3. Step 3: Cross multiply
    105,178,291.20x = 157,767,436.80 × 87,483,571.20
  4. Step 4: Simplify right side
    105,178,291.20x = 13,802,058,790,334,302
  5. Step 5: Solve for x
    x = 13,802,058,790,334,302/105,178,291.20
  6. Step 6: Final answer
    x = 131,225,356.80

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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.