Home / 102,443,416.20-153,735,983.10-73,710,172.80

Finding the Fourth Proportional to 102,443,416.20, 153,735,983.10 and 73,710,172.80

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Solution

The fourth proportional to 102,443,416.20, 153,735,983.10 and 73,710,172.80 is: 110,616,243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,443,416.20 : 153,735,983.10 = 73,710,172.80 : x
  2. Step 2: Convert to fraction form
    102,443,416.20/153,735,983.10 = 73,710,172.80/x
  3. Step 3: Cross multiply
    102,443,416.20x = 153,735,983.10 × 73,710,172.80
  4. Step 4: Simplify right side
    102,443,416.20x = 11,331,905,879,878,878
  5. Step 5: Solve for x
    x = 11,331,905,879,878,878/102,443,416.20
  6. Step 6: Final answer
    x = 110,616,243.58

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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.