Home / 399,425,313.60-599,137,970.40-157,096,123.20

Finding the Fourth Proportional to 399,425,313.60, 599,137,970.40 and 157,096,123.20

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Solution

The fourth proportional to 399,425,313.60, 599,137,970.40 and 157,096,123.20 is: 235,644,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,425,313.60 : 599,137,970.40 = 157,096,123.20 : x
  2. Step 2: Convert to fraction form
    399,425,313.60/599,137,970.40 = 157,096,123.20/x
  3. Step 3: Cross multiply
    399,425,313.60x = 599,137,970.40 × 157,096,123.20
  4. Step 4: Simplify right side
    399,425,313.60x = 94,122,252,411,756,336
  5. Step 5: Solve for x
    x = 94,122,252,411,756,336/399,425,313.60
  6. Step 6: Final answer
    x = 235,644,184.80

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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.