Home / 57,290,860.16-79,062,395.76-31,186,128.32

Finding the Fourth Proportional to 57,290,860.16, 79,062,395.76 and 31,186,128.32

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Solution

The fourth proportional to 57,290,860.16, 79,062,395.76 and 31,186,128.32 is: 43,037,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,290,860.16 : 79,062,395.76 = 31,186,128.32 : x
  2. Step 2: Convert to fraction form
    57,290,860.16/79,062,395.76 = 31,186,128.32/x
  3. Step 3: Cross multiply
    57,290,860.16x = 79,062,395.76 × 31,186,128.32
  4. Step 4: Simplify right side
    57,290,860.16x = 2,465,650,019,457,984
  5. Step 5: Solve for x
    x = 2,465,650,019,457,984/57,290,860.16
  6. Step 6: Final answer
    x = 43,037,406.19

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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.