Home / 340,443,007.20-510,664,510.80-168,256,123.20

Finding the Fourth Proportional to 340,443,007.20, 510,664,510.80 and 168,256,123.20

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Solution

The fourth proportional to 340,443,007.20, 510,664,510.80 and 168,256,123.20 is: 252,384,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,443,007.20 : 510,664,510.80 = 168,256,123.20 : x
  2. Step 2: Convert to fraction form
    340,443,007.20/510,664,510.80 = 168,256,123.20/x
  3. Step 3: Cross multiply
    340,443,007.20x = 510,664,510.80 × 168,256,123.20
  4. Step 4: Simplify right side
    340,443,007.20x = 85,922,430,843,032,528
  5. Step 5: Solve for x
    x = 85,922,430,843,032,528/340,443,007.20
  6. Step 6: Final answer
    x = 252,384,184.80

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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.