Home / 85,130,025.53-127,695,039.97-20,433,830.59

Finding the Fourth Proportional to 85,130,025.53, 127,695,039.97 and 20,433,830.59

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Solution

The fourth proportional to 85,130,025.53, 127,695,039.97 and 20,433,830.59 is: 30,650,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,130,025.53 : 127,695,039.97 = 20,433,830.59 : x
  2. Step 2: Convert to fraction form
    85,130,025.53/127,695,039.97 = 20,433,830.59/x
  3. Step 3: Cross multiply
    85,130,025.53x = 127,695,039.97 × 20,433,830.59
  4. Step 4: Simplify right side
    85,130,025.53x = 2,609,298,813,291,783.50
  5. Step 5: Solve for x
    x = 2,609,298,813,291,783.50/85,130,025.53
  6. Step 6: Final answer
    x = 30,650,746.28

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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.