Home / 66,430,429.20-99,645,643.80-60,372,001.80

Finding the Fourth Proportional to 66,430,429.20, 99,645,643.80 and 60,372,001.80

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Solution

The fourth proportional to 66,430,429.20, 99,645,643.80 and 60,372,001.80 is: 90,558,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,429.20 : 99,645,643.80 = 60,372,001.80 : x
  2. Step 2: Convert to fraction form
    66,430,429.20/99,645,643.80 = 60,372,001.80/x
  3. Step 3: Cross multiply
    66,430,429.20x = 99,645,643.80 × 60,372,001.80
  4. Step 4: Simplify right side
    66,430,429.20x = 6,015,806,986,855,758
  5. Step 5: Solve for x
    x = 6,015,806,986,855,758/66,430,429.20
  6. Step 6: Final answer
    x = 90,558,002.70

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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.