Home / 119,854,079.51-179,789,090.87-42,121,582.25

Finding the Fourth Proportional to 119,854,079.51, 179,789,090.87 and 42,121,582.25

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Solution

The fourth proportional to 119,854,079.51, 179,789,090.87 and 42,121,582.25 is: 63,185,174.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,854,079.51 : 179,789,090.87 = 42,121,582.25 : x
  2. Step 2: Convert to fraction form
    119,854,079.51/179,789,090.87 = 42,121,582.25/x
  3. Step 3: Cross multiply
    119,854,079.51x = 179,789,090.87 × 42,121,582.25
  4. Step 4: Simplify right side
    119,854,079.51x = 7,573,000,977,939,787
  5. Step 5: Solve for x
    x = 7,573,000,977,939,787/119,854,079.51
  6. Step 6: Final answer
    x = 63,185,174.92

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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.