Home / 254,342,048.40-381,513,072.60-189,771,966.90

Finding the Fourth Proportional to 254,342,048.40, 381,513,072.60 and 189,771,966.90

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Solution

The fourth proportional to 254,342,048.40, 381,513,072.60 and 189,771,966.90 is: 284,657,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,342,048.40 : 381,513,072.60 = 189,771,966.90 : x
  2. Step 2: Convert to fraction form
    254,342,048.40/381,513,072.60 = 189,771,966.90/x
  3. Step 3: Cross multiply
    254,342,048.40x = 381,513,072.60 × 189,771,966.90
  4. Step 4: Simplify right side
    254,342,048.40x = 72,400,486,185,364,496
  5. Step 5: Solve for x
    x = 72,400,486,185,364,496/254,342,048.40
  6. Step 6: Final answer
    x = 284,657,950.35

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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.