Home / 103,621,399.60-155,432,099.40-73,363,428.40

Finding the Fourth Proportional to 103,621,399.60, 155,432,099.40 and 73,363,428.40

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Solution

The fourth proportional to 103,621,399.60, 155,432,099.40 and 73,363,428.40 is: 110,045,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621,399.60 : 155,432,099.40 = 73,363,428.40 : x
  2. Step 2: Convert to fraction form
    103,621,399.60/155,432,099.40 = 73,363,428.40/x
  3. Step 3: Cross multiply
    103,621,399.60x = 155,432,099.40 × 73,363,428.40
  4. Step 4: Simplify right side
    103,621,399.60x = 11,403,031,695,393,584
  5. Step 5: Solve for x
    x = 11,403,031,695,393,584/103,621,399.60
  6. Step 6: Final answer
    x = 110,045,142.60

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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.