Home / 162,008,821.10-223,572,761.73-87,669,373.79

Finding the Fourth Proportional to 162,008,821.10, 223,572,761.73 and 87,669,373.79

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Solution

The fourth proportional to 162,008,821.10, 223,572,761.73 and 87,669,373.79 is: 120,984,054.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,008,821.10 : 223,572,761.73 = 87,669,373.79 : x
  2. Step 2: Convert to fraction form
    162,008,821.10/223,572,761.73 = 87,669,373.79/x
  3. Step 3: Cross multiply
    162,008,821.10x = 223,572,761.73 × 87,669,373.79
  4. Step 4: Simplify right side
    162,008,821.10x = 19,600,484,016,252,112
  5. Step 5: Solve for x
    x = 19,600,484,016,252,112/162,008,821.10
  6. Step 6: Final answer
    x = 120,984,054.35

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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.