Home / 124,724,345.49-172,120,710.50-68,973,538.32

Finding the Fourth Proportional to 124,724,345.49, 172,120,710.50 and 68,973,538.32

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Solution

The fourth proportional to 124,724,345.49, 172,120,710.50 and 68,973,538.32 is: 95,184,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,724,345.49 : 172,120,710.50 = 68,973,538.32 : x
  2. Step 2: Convert to fraction form
    124,724,345.49/172,120,710.50 = 68,973,538.32/x
  3. Step 3: Cross multiply
    124,724,345.49x = 172,120,710.50 × 68,973,538.32
  4. Step 4: Simplify right side
    124,724,345.49x = 11,871,774,420,992,508
  5. Step 5: Solve for x
    x = 11,871,774,420,992,508/124,724,345.49
  6. Step 6: Final answer
    x = 95,184,098.78

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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.