Home / 66,563,320.80-99,844,981.20-32,506,514.40

Finding the Fourth Proportional to 66,563,320.80, 99,844,981.20 and 32,506,514.40

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Solution

The fourth proportional to 66,563,320.80, 99,844,981.20 and 32,506,514.40 is: 48,759,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,563,320.80 : 99,844,981.20 = 32,506,514.40 : x
  2. Step 2: Convert to fraction form
    66,563,320.80/99,844,981.20 = 32,506,514.40/x
  3. Step 3: Cross multiply
    66,563,320.80x = 99,844,981.20 × 32,506,514.40
  4. Step 4: Simplify right side
    66,563,320.80x = 3,245,612,319,145,529
  5. Step 5: Solve for x
    x = 3,245,612,319,145,529/66,563,320.80
  6. Step 6: Final answer
    x = 48,759,771.60

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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.