Home / 173,252,857.20-239,088,942.93-99,913,999.20

Finding the Fourth Proportional to 173,252,857.20, 239,088,942.93 and 99,913,999.20

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Solution

The fourth proportional to 173,252,857.20, 239,088,942.93 and 99,913,999.20 is: 137,881,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,252,857.20 : 239,088,942.93 = 99,913,999.20 : x
  2. Step 2: Convert to fraction form
    173,252,857.20/239,088,942.93 = 99,913,999.20/x
  3. Step 3: Cross multiply
    173,252,857.20x = 239,088,942.93 × 99,913,999.20
  4. Step 4: Simplify right side
    173,252,857.20x = 23,888,332,452,636,868
  5. Step 5: Solve for x
    x = 23,888,332,452,636,868/173,252,857.20
  6. Step 6: Final answer
    x = 137,881,318.89

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1.5x scale

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.