Home / 162,003,240.79-223,565,064.75-87,663,802.04

Finding the Fourth Proportional to 162,003,240.79, 223,565,064.75 and 87,663,802.04

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Solution

The fourth proportional to 162,003,240.79, 223,565,064.75 and 87,663,802.04 is: 120,976,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003,240.79 : 223,565,064.75 = 87,663,802.04 : x
  2. Step 2: Convert to fraction form
    162,003,240.79/223,565,064.75 = 87,663,802.04/x
  3. Step 3: Cross multiply
    162,003,240.79x = 223,565,064.75 × 87,663,802.04
  4. Step 4: Simplify right side
    162,003,240.79x = 19,598,563,579,303,784
  5. Step 5: Solve for x
    x = 19,598,563,579,303,784/162,003,240.79
  6. Step 6: Final answer
    x = 120,976,367.41

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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.