Home / 314,932,008.20-472,256,294.70-120,778,896.20

Finding the Fourth Proportional to 314,932,008.20, 472,256,294.70 and 120,778,896.20

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Solution

The fourth proportional to 314,932,008.20, 472,256,294.70 and 120,778,896.20 is: 181,113,994.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,932,008.20 : 472,256,294.70 = 120,778,896.20 : x
  2. Step 2: Convert to fraction form
    314,932,008.20/472,256,294.70 = 120,778,896.20/x
  3. Step 3: Cross multiply
    314,932,008.20x = 472,256,294.70 × 120,778,896.20
  4. Step 4: Simplify right side
    314,932,008.20x = 57,038,593,997,367,912
  5. Step 5: Solve for x
    x = 57,038,593,997,367,912/314,932,008.20
  6. Step 6: Final answer
    x = 181,113,994.49

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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.