Home / 60,706,845.81-91,015,391.43-31,518,777.51

Finding the Fourth Proportional to 60,706,845.81, 91,015,391.43 and 31,518,777.51

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Solution

The fourth proportional to 60,706,845.81, 91,015,391.43 and 31,518,777.51 is: 47,254,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,706,845.81 : 91,015,391.43 = 31,518,777.51 : x
  2. Step 2: Convert to fraction form
    60,706,845.81/91,015,391.43 = 31,518,777.51/x
  3. Step 3: Cross multiply
    60,706,845.81x = 91,015,391.43 × 31,518,777.51
  4. Step 4: Simplify right side
    60,706,845.81x = 2,868,693,872,467,731
  5. Step 5: Solve for x
    x = 2,868,693,872,467,731/60,706,845.81
  6. Step 6: Final answer
    x = 47,254,866.14

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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.