Home / 103,102,429.20-154,653,643.80-89,072,386.80

Finding the Fourth Proportional to 103,102,429.20, 154,653,643.80 and 89,072,386.80

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Solution

The fourth proportional to 103,102,429.20, 154,653,643.80 and 89,072,386.80 is: 133,608,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,102,429.20 : 154,653,643.80 = 89,072,386.80 : x
  2. Step 2: Convert to fraction form
    103,102,429.20/154,653,643.80 = 89,072,386.80/x
  3. Step 3: Cross multiply
    103,102,429.20x = 154,653,643.80 × 89,072,386.80
  4. Step 4: Simplify right side
    103,102,429.20x = 13,775,369,180,583,022
  5. Step 5: Solve for x
    x = 13,775,369,180,583,022/103,102,429.20
  6. Step 6: Final answer
    x = 133,608,580.20

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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.