Home / 149,781,490.80-224,420,293.80-128,114,444.40

Finding the Fourth Proportional to 149,781,490.80, 224,420,293.80 and 128,114,444.40

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Solution

The fourth proportional to 149,781,490.80, 224,420,293.80 and 128,114,444.40 is: 191,956,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,781,490.80 : 224,420,293.80 = 128,114,444.40 : x
  2. Step 2: Convert to fraction form
    149,781,490.80/224,420,293.80 = 128,114,444.40/x
  3. Step 3: Cross multiply
    149,781,490.80x = 224,420,293.80 × 128,114,444.40
  4. Step 4: Simplify right side
    149,781,490.80x = 28,751,481,252,271,768
  5. Step 5: Solve for x
    x = 28,751,481,252,271,768/149,781,490.80
  6. Step 6: Final answer
    x = 191,956,169.61

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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.