Home / 126,501,652.02-189,756,678.52-43,502,590.25

Finding the Fourth Proportional to 126,501,652.02, 189,756,678.52 and 43,502,590.25

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Solution

The fourth proportional to 126,501,652.02, 189,756,678.52 and 43,502,590.25 is: 65,255,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,501,652.02 : 189,756,678.52 = 43,502,590.25 : x
  2. Step 2: Convert to fraction form
    126,501,652.02/189,756,678.52 = 43,502,590.25/x
  3. Step 3: Cross multiply
    126,501,652.02x = 189,756,678.52 × 43,502,590.25
  4. Step 4: Simplify right side
    126,501,652.02x = 8,254,907,032,856,537
  5. Step 5: Solve for x
    x = 8,254,907,032,856,537/126,501,652.02
  6. Step 6: Final answer
    x = 65,255,329.88

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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.