Home / 142,776,990.68-197,092,516.34-96,430,021.12

Finding the Fourth Proportional to 142,776,990.68, 197,092,516.34 and 96,430,021.12

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Solution

The fourth proportional to 142,776,990.68, 197,092,516.34 and 96,430,021.12 is: 133,114,134.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,776,990.68 : 197,092,516.34 = 96,430,021.12 : x
  2. Step 2: Convert to fraction form
    142,776,990.68/197,092,516.34 = 96,430,021.12/x
  3. Step 3: Cross multiply
    142,776,990.68x = 197,092,516.34 × 96,430,021.12
  4. Step 4: Simplify right side
    142,776,990.68x = 19,005,635,513,260,148
  5. Step 5: Solve for x
    x = 19,005,635,513,260,148/142,776,990.68
  6. Step 6: Final answer
    x = 133,114,134.31

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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.