Home / 109,731,983.20-164,430,013.20-103,685,365.60

Finding the Fourth Proportional to 109,731,983.20, 164,430,013.20 and 103,685,365.60

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Solution

The fourth proportional to 109,731,983.20, 164,430,013.20 and 103,685,365.60 is: 155,369,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,731,983.20 : 164,430,013.20 = 103,685,365.60 : x
  2. Step 2: Convert to fraction form
    109,731,983.20/164,430,013.20 = 103,685,365.60/x
  3. Step 3: Cross multiply
    109,731,983.20x = 164,430,013.20 × 103,685,365.60
  4. Step 4: Simplify right side
    109,731,983.20x = 17,048,986,034,254,824
  5. Step 5: Solve for x
    x = 17,048,986,034,254,824/109,731,983.20
  6. Step 6: Final answer
    x = 155,369,342.07

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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.