Home / 189,048,019.20-283,572,028.80-160,830,470.40

Finding the Fourth Proportional to 189,048,019.20, 283,572,028.80 and 160,830,470.40

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Solution

The fourth proportional to 189,048,019.20, 283,572,028.80 and 160,830,470.40 is: 241,245,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,048,019.20 : 283,572,028.80 = 160,830,470.40 : x
  2. Step 2: Convert to fraction form
    189,048,019.20/283,572,028.80 = 160,830,470.40/x
  3. Step 3: Cross multiply
    189,048,019.20x = 283,572,028.80 × 160,830,470.40
  4. Step 4: Simplify right side
    189,048,019.20x = 45,607,022,784,186,352
  5. Step 5: Solve for x
    x = 45,607,022,784,186,352/189,048,019.20
  6. Step 6: Final answer
    x = 241,245,705.60

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1.5x scale

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.