Home / 56,018,001.60-84,027,002.40-38,799,313.20

Finding the Fourth Proportional to 56,018,001.60, 84,027,002.40 and 38,799,313.20

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Solution

The fourth proportional to 56,018,001.60, 84,027,002.40 and 38,799,313.20 is: 58,198,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,018,001.60 : 84,027,002.40 = 38,799,313.20 : x
  2. Step 2: Convert to fraction form
    56,018,001.60/84,027,002.40 = 38,799,313.20/x
  3. Step 3: Cross multiply
    56,018,001.60x = 84,027,002.40 × 38,799,313.20
  4. Step 4: Simplify right side
    56,018,001.60x = 3,260,189,983,374,752
  5. Step 5: Solve for x
    x = 3,260,189,983,374,752/56,018,001.60
  6. Step 6: Final answer
    x = 58,198,969.80

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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.