Home / 123,769,514-170,764,681.56-74,191,798.32

Finding the Fourth Proportional to 123,769,514, 170,764,681.56 and 74,191,798.32

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Solution

The fourth proportional to 123,769,514, 170,764,681.56 and 74,191,798.32 is: 102,362,354.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,769,514 : 170,764,681.56 = 74,191,798.32 : x
  2. Step 2: Convert to fraction form
    123,769,514/170,764,681.56 = 74,191,798.32/x
  3. Step 3: Cross multiply
    123,769,514x = 170,764,681.56 × 74,191,798.32
  4. Step 4: Simplify right side
    123,769,514x = 12,669,338,814,478,542
  5. Step 5: Solve for x
    x = 12,669,338,814,478,542/123,769,514
  6. Step 6: Final answer
    x = 102,362,354.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.