Home / 143,913,637.46-198,600,818.30-77,834,133.82

Finding the Fourth Proportional to 143,913,637.46, 198,600,818.30 and 77,834,133.82

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Solution

The fourth proportional to 143,913,637.46, 198,600,818.30 and 77,834,133.82 is: 107,411,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,913,637.46 : 198,600,818.30 = 77,834,133.82 : x
  2. Step 2: Convert to fraction form
    143,913,637.46/198,600,818.30 = 77,834,133.82/x
  3. Step 3: Cross multiply
    143,913,637.46x = 198,600,818.30 × 77,834,133.82
  4. Step 4: Simplify right side
    143,913,637.46x = 15,457,922,667,934,532
  5. Step 5: Solve for x
    x = 15,457,922,667,934,532/143,913,637.46
  6. Step 6: Final answer
    x = 107,411,103.91

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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.