Home / 98,294,372.37-135,669,448.31-56,502,679.77

Finding the Fourth Proportional to 98,294,372.37, 135,669,448.31 and 56,502,679.77

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Solution

The fourth proportional to 98,294,372.37, 135,669,448.31 and 56,502,679.77 is: 77,987,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,294,372.37 : 135,669,448.31 = 56,502,679.77 : x
  2. Step 2: Convert to fraction form
    98,294,372.37/135,669,448.31 = 56,502,679.77/x
  3. Step 3: Cross multiply
    98,294,372.37x = 135,669,448.31 × 56,502,679.77
  4. Step 4: Simplify right side
    98,294,372.37x = 7,665,687,392,849,461
  5. Step 5: Solve for x
    x = 7,665,687,392,849,461/98,294,372.37
  6. Step 6: Final answer
    x = 77,987,042.47

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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.