Home / 108,338,775.60-149,478,589.44-64,249,118.04

Finding the Fourth Proportional to 108,338,775.60, 149,478,589.44 and 64,249,118.04

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Solution

The fourth proportional to 108,338,775.60, 149,478,589.44 and 64,249,118.04 is: 88,646,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,338,775.60 : 149,478,589.44 = 64,249,118.04 : x
  2. Step 2: Convert to fraction form
    108,338,775.60/149,478,589.44 = 64,249,118.04/x
  3. Step 3: Cross multiply
    108,338,775.60x = 149,478,589.44 × 64,249,118.04
  4. Step 4: Simplify right side
    108,338,775.60x = 9,603,867,537,383,258
  5. Step 5: Solve for x
    x = 9,603,867,537,383,258/108,338,775.60
  6. Step 6: Final answer
    x = 88,646,631.68

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1.5x scale

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.