Home / 60,706,836.81-91,015,377.93-31,518,768.51

Finding the Fourth Proportional to 60,706,836.81, 91,015,377.93 and 31,518,768.51

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Solution

The fourth proportional to 60,706,836.81, 91,015,377.93 and 31,518,768.51 is: 47,254,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,706,836.81 : 91,015,377.93 = 31,518,768.51 : x
  2. Step 2: Convert to fraction form
    60,706,836.81/91,015,377.93 = 31,518,768.51/x
  3. Step 3: Cross multiply
    60,706,836.81x = 91,015,377.93 × 31,518,768.51
  4. Step 4: Simplify right side
    60,706,836.81x = 2,868,692,627,825,833.50
  5. Step 5: Solve for x
    x = 2,868,692,627,825,833.50/60,706,836.81
  6. Step 6: Final answer
    x = 47,254,852.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.