Home / 61,073,368.30-91,610,052.45-51,507,430.30

Finding the Fourth Proportional to 61,073,368.30, 91,610,052.45 and 51,507,430.30

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Solution

The fourth proportional to 61,073,368.30, 91,610,052.45 and 51,507,430.30 is: 77,261,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,073,368.30 : 91,610,052.45 = 51,507,430.30 : x
  2. Step 2: Convert to fraction form
    61,073,368.30/91,610,052.45 = 51,507,430.30/x
  3. Step 3: Cross multiply
    61,073,368.30x = 91,610,052.45 × 51,507,430.30
  4. Step 4: Simplify right side
    61,073,368.30x = 4,718,598,391,347,719
  5. Step 5: Solve for x
    x = 4,718,598,391,347,719/61,073,368.30
  6. Step 6: Final answer
    x = 77,261,145.45

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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.