Home / 51,361,875.15-70,879,381.60-28,157,166.06

Finding the Fourth Proportional to 51,361,875.15, 70,879,381.60 and 28,157,166.06

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Solution

The fourth proportional to 51,361,875.15, 70,879,381.60 and 28,157,166.06 is: 38,856,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,361,875.15 : 70,879,381.60 = 28,157,166.06 : x
  2. Step 2: Convert to fraction form
    51,361,875.15/70,879,381.60 = 28,157,166.06/x
  3. Step 3: Cross multiply
    51,361,875.15x = 70,879,381.60 × 28,157,166.06
  4. Step 4: Simplify right side
    51,361,875.15x = 1,995,762,517,941,308.25
  5. Step 5: Solve for x
    x = 1,995,762,517,941,308.25/51,361,875.15
  6. Step 6: Final answer
    x = 38,856,885.81

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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.