Home / 76,626,566.87-114,871,513.30-28,093,111.20

Finding the Fourth Proportional to 76,626,566.87, 114,871,513.30 and 28,093,111.20

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Solution

The fourth proportional to 76,626,566.87, 114,871,513.30 and 28,093,111.20 is: 42,114,612.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,626,566.87 : 114,871,513.30 = 28,093,111.20 : x
  2. Step 2: Convert to fraction form
    76,626,566.87/114,871,513.30 = 28,093,111.20/x
  3. Step 3: Cross multiply
    76,626,566.87x = 114,871,513.30 × 28,093,111.20
  4. Step 4: Simplify right side
    76,626,566.87x = 3,227,098,196,778,946
  5. Step 5: Solve for x
    x = 3,227,098,196,778,946/76,626,566.87
  6. Step 6: Final answer
    x = 42,114,612.84

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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.