Home / 145,985,306.31-218,950,052.27-43,749,343.94

Finding the Fourth Proportional to 145,985,306.31, 218,950,052.27 and 43,749,343.94

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Solution

The fourth proportional to 145,985,306.31, 218,950,052.27 and 43,749,343.94 is: 65,615,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,985,306.31 : 218,950,052.27 = 43,749,343.94 : x
  2. Step 2: Convert to fraction form
    145,985,306.31/218,950,052.27 = 43,749,343.94/x
  3. Step 3: Cross multiply
    145,985,306.31x = 218,950,052.27 × 43,749,343.94
  4. Step 4: Simplify right side
    145,985,306.31x = 9,578,921,141,127,710
  5. Step 5: Solve for x
    x = 9,578,921,141,127,710/145,985,306.31
  6. Step 6: Final answer
    x = 65,615,652.58

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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.