Home / 91,176,836.76-125,824,065.18-49,926,342.36

Finding the Fourth Proportional to 91,176,836.76, 125,824,065.18 and 49,926,342.36

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Solution

The fourth proportional to 91,176,836.76, 125,824,065.18 and 49,926,342.36 is: 68,898,369.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,176,836.76 : 125,824,065.18 = 49,926,342.36 : x
  2. Step 2: Convert to fraction form
    91,176,836.76/125,824,065.18 = 49,926,342.36/x
  3. Step 3: Cross multiply
    91,176,836.76x = 125,824,065.18 × 49,926,342.36
  4. Step 4: Simplify right side
    91,176,836.76x = 6,281,935,355,303,635
  5. Step 5: Solve for x
    x = 6,281,935,355,303,635/91,176,836.76
  6. Step 6: Final answer
    x = 68,898,369.13

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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.