Home / 212,104,981.86-318,203,266.64-64,564,079.04

Finding the Fourth Proportional to 212,104,981.86, 318,203,266.64 and 64,564,079.04

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Solution

The fourth proportional to 212,104,981.86, 318,203,266.64 and 64,564,079.04 is: 96,860,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,104,981.86 : 318,203,266.64 = 64,564,079.04 : x
  2. Step 2: Convert to fraction form
    212,104,981.86/318,203,266.64 = 64,564,079.04/x
  3. Step 3: Cross multiply
    212,104,981.86x = 318,203,266.64 × 64,564,079.04
  4. Step 4: Simplify right side
    212,104,981.86x = 20,544,500,857,808,332
  5. Step 5: Solve for x
    x = 20,544,500,857,808,332/212,104,981.86
  6. Step 6: Final answer
    x = 96,860,058.06

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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.