Home / 155,543,244.86-233,151,892.53-72,476,513.12

Finding the Fourth Proportional to 155,543,244.86, 233,151,892.53 and 72,476,513.12

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Solution

The fourth proportional to 155,543,244.86, 233,151,892.53 and 72,476,513.12 is: 108,638,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,543,244.86 : 233,151,892.53 = 72,476,513.12 : x
  2. Step 2: Convert to fraction form
    155,543,244.86/233,151,892.53 = 72,476,513.12/x
  3. Step 3: Cross multiply
    155,543,244.86x = 233,151,892.53 × 72,476,513.12
  4. Step 4: Simplify right side
    155,543,244.86x = 16,898,036,197,903,376
  5. Step 5: Solve for x
    x = 16,898,036,197,903,376/155,543,244.86
  6. Step 6: Final answer
    x = 108,638,830.40

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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.