Home / 180,063,609.15-248,411,691.11-120,544,081.51

Finding the Fourth Proportional to 180,063,609.15, 248,411,691.11 and 120,544,081.51

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Solution

The fourth proportional to 180,063,609.15, 248,411,691.11 and 120,544,081.51 is: 166,299,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,063,609.15 : 248,411,691.11 = 120,544,081.51 : x
  2. Step 2: Convert to fraction form
    180,063,609.15/248,411,691.11 = 120,544,081.51/x
  3. Step 3: Cross multiply
    180,063,609.15x = 248,411,691.11 × 120,544,081.51
  4. Step 4: Simplify right side
    180,063,609.15x = 29,944,559,139,657,360
  5. Step 5: Solve for x
    x = 29,944,559,139,657,360/180,063,609.15
  6. Step 6: Final answer
    x = 166,299,894.14

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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.