Home / 119,457,723.20-179,219,762.40-51,333,051.20

Finding the Fourth Proportional to 119,457,723.20, 179,219,762.40 and 51,333,051.20

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Solution

The fourth proportional to 119,457,723.20, 179,219,762.40 and 51,333,051.20 is: 77,013,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,457,723.20 : 179,219,762.40 = 51,333,051.20 : x
  2. Step 2: Convert to fraction form
    119,457,723.20/179,219,762.40 = 51,333,051.20/x
  3. Step 3: Cross multiply
    119,457,723.20x = 179,219,762.40 × 51,333,051.20
  4. Step 4: Simplify right side
    119,457,723.20x = 9,199,897,239,331,036
  5. Step 5: Solve for x
    x = 9,199,897,239,331,036/119,457,723.20
  6. Step 6: Final answer
    x = 77,013,833.79

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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.