Home / 84,005,267.36-126,015,008.88-23,421,045.92

Finding the Fourth Proportional to 84,005,267.36, 126,015,008.88 and 23,421,045.92

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Solution

The fourth proportional to 84,005,267.36, 126,015,008.88 and 23,421,045.92 is: 35,133,550.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,005,267.36 : 126,015,008.88 = 23,421,045.92 : x
  2. Step 2: Convert to fraction form
    84,005,267.36/126,015,008.88 = 23,421,045.92/x
  3. Step 3: Cross multiply
    84,005,267.36x = 126,015,008.88 × 23,421,045.92
  4. Step 4: Simplify right side
    84,005,267.36x = 2,951,403,309,587,688
  5. Step 5: Solve for x
    x = 2,951,403,309,587,688/84,005,267.36
  6. Step 6: Final answer
    x = 35,133,550.58

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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.