Home / 340,243,663.20-510,029,571.60-167,579,138.40

Finding the Fourth Proportional to 340,243,663.20, 510,029,571.60 and 167,579,138.40

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Solution

The fourth proportional to 340,243,663.20, 510,029,571.60 and 167,579,138.40 is: 251,203,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,243,663.20 : 510,029,571.60 = 167,579,138.40 : x
  2. Step 2: Convert to fraction form
    340,243,663.20/510,029,571.60 = 167,579,138.40/x
  3. Step 3: Cross multiply
    340,243,663.20x = 510,029,571.60 × 167,579,138.40
  4. Step 4: Simplify right side
    340,243,663.20x = 85,470,316,167,249,120
  5. Step 5: Solve for x
    x = 85,470,316,167,249,120/340,243,663.20
  6. Step 6: Final answer
    x = 251,203,256.41

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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.