Home / 64,476,923.20-96,659,397.60-38,890,772.80

Finding the Fourth Proportional to 64,476,923.20, 96,659,397.60 and 38,890,772.80

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Solution

The fourth proportional to 64,476,923.20, 96,659,397.60 and 38,890,772.80 is: 58,302,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,476,923.20 : 96,659,397.60 = 38,890,772.80 : x
  2. Step 2: Convert to fraction form
    64,476,923.20/96,659,397.60 = 38,890,772.80/x
  3. Step 3: Cross multiply
    64,476,923.20x = 96,659,397.60 × 38,890,772.80
  4. Step 4: Simplify right side
    64,476,923.20x = 3,759,158,671,046,465
  5. Step 5: Solve for x
    x = 3,759,158,671,046,465/64,476,923.20
  6. Step 6: Final answer
    x = 58,302,389.20

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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.