Home / 162,258,849.66-223,917,409.36-87,919,352.72

Finding the Fourth Proportional to 162,258,849.66, 223,917,409.36 and 87,919,352.72

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Solution

The fourth proportional to 162,258,849.66, 223,917,409.36 and 87,919,352.72 is: 121,328,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,258,849.66 : 223,917,409.36 = 87,919,352.72 : x
  2. Step 2: Convert to fraction form
    162,258,849.66/223,917,409.36 = 87,919,352.72/x
  3. Step 3: Cross multiply
    162,258,849.66x = 223,917,409.36 × 87,919,352.72
  4. Step 4: Simplify right side
    162,258,849.66x = 19,686,673,693,670,472
  5. Step 5: Solve for x
    x = 19,686,673,693,670,472/162,258,849.66
  6. Step 6: Final answer
    x = 121,328,813.40

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1.5x scale

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.