Home / 126,501,678.37-189,756,718.01-43,502,616.60

Finding the Fourth Proportional to 126,501,678.37, 189,756,718.01 and 43,502,616.60

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Solution

The fourth proportional to 126,501,678.37, 189,756,718.01 and 43,502,616.60 is: 65,255,369.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,501,678.37 : 189,756,718.01 = 43,502,616.60 : x
  2. Step 2: Convert to fraction form
    126,501,678.37/189,756,718.01 = 43,502,616.60/x
  3. Step 3: Cross multiply
    126,501,678.37x = 189,756,718.01 × 43,502,616.60
  4. Step 4: Simplify right side
    126,501,678.37x = 8,254,913,750,863,345
  5. Step 5: Solve for x
    x = 8,254,913,750,863,345/126,501,678.37
  6. Step 6: Final answer
    x = 65,255,369.39

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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.