Home / 156,490,378.20-234,762,623.73-52,860,338.19

Finding the Fourth Proportional to 156,490,378.20, 234,762,623.73 and 52,860,338.19

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Solution

The fourth proportional to 156,490,378.20, 234,762,623.73 and 52,860,338.19 is: 79,299,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,490,378.20 : 234,762,623.73 = 52,860,338.19 : x
  2. Step 2: Convert to fraction form
    156,490,378.20/234,762,623.73 = 52,860,338.19/x
  3. Step 3: Cross multiply
    156,490,378.20x = 234,762,623.73 × 52,860,338.19
  4. Step 4: Simplify right side
    156,490,378.20x = 12,409,631,684,739,518
  5. Step 5: Solve for x
    x = 12,409,631,684,739,518/156,490,378.20
  6. Step 6: Final answer
    x = 79,299,646.58

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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.