Home / 53,182,693.89-79,750,870.79-28,249,647.30

Finding the Fourth Proportional to 53,182,693.89, 79,750,870.79 and 28,249,647.30

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Solution

The fourth proportional to 53,182,693.89, 79,750,870.79 and 28,249,647.30 is: 42,362,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,182,693.89 : 79,750,870.79 = 28,249,647.30 : x
  2. Step 2: Convert to fraction form
    53,182,693.89/79,750,870.79 = 28,249,647.30/x
  3. Step 3: Cross multiply
    53,182,693.89x = 79,750,870.79 × 28,249,647.30
  4. Step 4: Simplify right side
    53,182,693.89x = 2,252,933,971,544,124
  5. Step 5: Solve for x
    x = 2,252,933,971,544,124/53,182,693.89
  6. Step 6: Final answer
    x = 42,362,163.45

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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.