Home / 70,860,136.80-106,290,205.20-53,728,053.60

Finding the Fourth Proportional to 70,860,136.80, 106,290,205.20 and 53,728,053.60

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Solution

The fourth proportional to 70,860,136.80, 106,290,205.20 and 53,728,053.60 is: 80,592,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,860,136.80 : 106,290,205.20 = 53,728,053.60 : x
  2. Step 2: Convert to fraction form
    70,860,136.80/106,290,205.20 = 53,728,053.60/x
  3. Step 3: Cross multiply
    70,860,136.80x = 106,290,205.20 × 53,728,053.60
  4. Step 4: Simplify right side
    70,860,136.80x = 5,710,765,842,140,599
  5. Step 5: Solve for x
    x = 5,710,765,842,140,599/70,860,136.80
  6. Step 6: Final answer
    x = 80,592,080.40

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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.