Home / 85,837,258.74-118,453,774.77-47,206,090.74

Finding the Fourth Proportional to 85,837,258.74, 118,453,774.77 and 47,206,090.74

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Solution

The fourth proportional to 85,837,258.74, 118,453,774.77 and 47,206,090.74 is: 65,143,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,837,258.74 : 118,453,774.77 = 47,206,090.74 : x
  2. Step 2: Convert to fraction form
    85,837,258.74/118,453,774.77 = 47,206,090.74/x
  3. Step 3: Cross multiply
    85,837,258.74x = 118,453,774.77 × 47,206,090.74
  4. Step 4: Simplify right side
    85,837,258.74x = 5,591,739,640,288,143
  5. Step 5: Solve for x
    x = 5,591,739,640,288,143/85,837,258.74
  6. Step 6: Final answer
    x = 65,143,502.05

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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.