Home / 145,728,280.80-218,592,421.20-38,022,904.80

Finding the Fourth Proportional to 145,728,280.80, 218,592,421.20 and 38,022,904.80

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Solution

The fourth proportional to 145,728,280.80, 218,592,421.20 and 38,022,904.80 is: 57,034,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,728,280.80 : 218,592,421.20 = 38,022,904.80 : x
  2. Step 2: Convert to fraction form
    145,728,280.80/218,592,421.20 = 38,022,904.80/x
  3. Step 3: Cross multiply
    145,728,280.80x = 218,592,421.20 × 38,022,904.80
  4. Step 4: Simplify right side
    145,728,280.80x = 8,311,518,821,289,101
  5. Step 5: Solve for x
    x = 8,311,518,821,289,101/145,728,280.80
  6. Step 6: Final answer
    x = 57,034,357.20

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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.