Home / 281,069,541.41-387,888,088.33-155,621,739.71

Finding the Fourth Proportional to 281,069,541.41, 387,888,088.33 and 155,621,739.71

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Solution

The fourth proportional to 281,069,541.41, 387,888,088.33 and 155,621,739.71 is: 214,764,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,069,541.41 : 387,888,088.33 = 155,621,739.71 : x
  2. Step 2: Convert to fraction form
    281,069,541.41/387,888,088.33 = 155,621,739.71/x
  3. Step 3: Cross multiply
    281,069,541.41x = 387,888,088.33 × 155,621,739.71
  4. Step 4: Simplify right side
    281,069,541.41x = 60,363,819,119,865,000
  5. Step 5: Solve for x
    x = 60,363,819,119,865,000/281,069,541.41
  6. Step 6: Final answer
    x = 214,764,712.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.