Home / 96,768,136.80-145,152,205.20-42,915,448.80

Finding the Fourth Proportional to 96,768,136.80, 145,152,205.20 and 42,915,448.80

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Solution

The fourth proportional to 96,768,136.80, 145,152,205.20 and 42,915,448.80 is: 64,373,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768,136.80 : 145,152,205.20 = 42,915,448.80 : x
  2. Step 2: Convert to fraction form
    96,768,136.80/145,152,205.20 = 42,915,448.80/x
  3. Step 3: Cross multiply
    96,768,136.80x = 145,152,205.20 × 42,915,448.80
  4. Step 4: Simplify right side
    96,768,136.80x = 6,229,272,030,467,693
  5. Step 5: Solve for x
    x = 6,229,272,030,467,693/96,768,136.80
  6. Step 6: Final answer
    x = 64,373,173.20

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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.