Home / 91,126,804.71-125,755,323.81-49,310,870.35

Finding the Fourth Proportional to 91,126,804.71, 125,755,323.81 and 49,310,870.35

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Solution

The fourth proportional to 91,126,804.71, 125,755,323.81 and 49,310,870.35 is: 68,049,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,126,804.71 : 125,755,323.81 = 49,310,870.35 : x
  2. Step 2: Convert to fraction form
    91,126,804.71/125,755,323.81 = 49,310,870.35/x
  3. Step 3: Cross multiply
    91,126,804.71x = 125,755,323.81 × 49,310,870.35
  4. Step 4: Simplify right side
    91,126,804.71x = 6,201,104,468,303,518
  5. Step 5: Solve for x
    x = 6,201,104,468,303,518/91,126,804.71
  6. Step 6: Final answer
    x = 68,049,181.45

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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.