Home / 100,958,459.39-139,332,510.15-59,718,637.79

Finding the Fourth Proportional to 100,958,459.39, 139,332,510.15 and 59,718,637.79

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Solution

The fourth proportional to 100,958,459.39, 139,332,510.15 and 59,718,637.79 is: 82,417,538.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,958,459.39 : 139,332,510.15 = 59,718,637.79 : x
  2. Step 2: Convert to fraction form
    100,958,459.39/139,332,510.15 = 59,718,637.79/x
  3. Step 3: Cross multiply
    100,958,459.39x = 139,332,510.15 × 59,718,637.79
  4. Step 4: Simplify right side
    100,958,459.39x = 8,320,747,706,019,349
  5. Step 5: Solve for x
    x = 8,320,747,706,019,349/100,958,459.39
  6. Step 6: Final answer
    x = 82,417,538.42

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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.