Home / 49,927,280.21-68,899,740.05-27,900,779.66

Finding the Fourth Proportional to 49,927,280.21, 68,899,740.05 and 27,900,779.66

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Solution

The fourth proportional to 49,927,280.21, 68,899,740.05 and 27,900,779.66 is: 38,503,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,927,280.21 : 68,899,740.05 = 27,900,779.66 : x
  2. Step 2: Convert to fraction form
    49,927,280.21/68,899,740.05 = 27,900,779.66/x
  3. Step 3: Cross multiply
    49,927,280.21x = 68,899,740.05 × 27,900,779.66
  4. Step 4: Simplify right side
    49,927,280.21x = 1,922,356,465,574,680.25
  5. Step 5: Solve for x
    x = 1,922,356,465,574,680.25/49,927,280.21
  6. Step 6: Final answer
    x = 38,503,128.10

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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.