Home / 61,769,705.04-85,164,633.68-45,221,100.08

Finding the Fourth Proportional to 61,769,705.04, 85,164,633.68 and 45,221,100.08

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Solution

The fourth proportional to 61,769,705.04, 85,164,633.68 and 45,221,100.08 is: 62,348,337.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,769,705.04 : 85,164,633.68 = 45,221,100.08 : x
  2. Step 2: Convert to fraction form
    61,769,705.04/85,164,633.68 = 45,221,100.08/x
  3. Step 3: Cross multiply
    61,769,705.04x = 85,164,633.68 × 45,221,100.08
  4. Step 4: Simplify right side
    61,769,705.04x = 3,851,238,422,267,890
  5. Step 5: Solve for x
    x = 3,851,238,422,267,890/61,769,705.04
  6. Step 6: Final answer
    x = 62,348,337.58

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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.