Home / 66,315,017.79-91,512,579.33-38,062,041.62

Finding the Fourth Proportional to 66,315,017.79, 91,512,579.33 and 38,062,041.62

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Solution

The fourth proportional to 66,315,017.79, 91,512,579.33 and 38,062,041.62 is: 52,524,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,315,017.79 : 91,512,579.33 = 38,062,041.62 : x
  2. Step 2: Convert to fraction form
    66,315,017.79/91,512,579.33 = 38,062,041.62/x
  3. Step 3: Cross multiply
    66,315,017.79x = 91,512,579.33 × 38,062,041.62
  4. Step 4: Simplify right side
    66,315,017.79x = 3,483,155,602,754,449
  5. Step 5: Solve for x
    x = 3,483,155,602,754,449/66,315,017.79
  6. Step 6: Final answer
    x = 52,524,386.16

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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.