Home / 145,655,308.05-218,456,638.77-41,999,027.67

Finding the Fourth Proportional to 145,655,308.05, 218,456,638.77 and 41,999,027.67

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Solution

The fourth proportional to 145,655,308.05, 218,456,638.77 and 41,999,027.67 is: 62,990,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,655,308.05 : 218,456,638.77 = 41,999,027.67 : x
  2. Step 2: Convert to fraction form
    145,655,308.05/218,456,638.77 = 41,999,027.67/x
  3. Step 3: Cross multiply
    145,655,308.05x = 218,456,638.77 × 41,999,027.67
  4. Step 4: Simplify right side
    145,655,308.05x = 9,174,966,416,396,426
  5. Step 5: Solve for x
    x = 9,174,966,416,396,426/145,655,308.05
  6. Step 6: Final answer
    x = 62,990,951.30

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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.