Home / 162,164,854.21-223,786,389.64-87,823,705.04

Finding the Fourth Proportional to 162,164,854.21, 223,786,389.64 and 87,823,705.04

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Solution

The fourth proportional to 162,164,854.21, 223,786,389.64 and 87,823,705.04 is: 121,196,112.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,164,854.21 : 223,786,389.64 = 87,823,705.04 : x
  2. Step 2: Convert to fraction form
    162,164,854.21/223,786,389.64 = 87,823,705.04/x
  3. Step 3: Cross multiply
    162,164,854.21x = 223,786,389.64 × 87,823,705.04
  4. Step 4: Simplify right side
    162,164,854.21x = 19,653,749,875,270,752
  5. Step 5: Solve for x
    x = 19,653,749,875,270,752/162,164,854.21
  6. Step 6: Final answer
    x = 121,196,112.26

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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.