Home / 49,818,261.64-68,740,686.88-28,905,500.10

Finding the Fourth Proportional to 49,818,261.64, 68,740,686.88 and 28,905,500.10

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Solution

The fourth proportional to 49,818,261.64, 68,740,686.88 and 28,905,500.10 is: 39,884,650.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,818,261.64 : 68,740,686.88 = 28,905,500.10 : x
  2. Step 2: Convert to fraction form
    49,818,261.64/68,740,686.88 = 28,905,500.10/x
  3. Step 3: Cross multiply
    49,818,261.64x = 68,740,686.88 × 28,905,500.10
  4. Step 4: Simplify right side
    49,818,261.64x = 1,986,983,931,483,908.75
  5. Step 5: Solve for x
    x = 1,986,983,931,483,908.75/49,818,261.64
  6. Step 6: Final answer
    x = 39,884,650.05

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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.