Home / 162,017,356.64-223,584,633.12-87,677,920.28

Finding the Fourth Proportional to 162,017,356.64, 223,584,633.12 and 87,677,920.28

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Solution

The fourth proportional to 162,017,356.64, 223,584,633.12 and 87,677,920.28 is: 120,995,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,017,356.64 : 223,584,633.12 = 87,677,920.28 : x
  2. Step 2: Convert to fraction form
    162,017,356.64/223,584,633.12 = 87,677,920.28/x
  3. Step 3: Cross multiply
    162,017,356.64x = 223,584,633.12 × 87,677,920.28
  4. Step 4: Simplify right side
    162,017,356.64x = 19,603,435,638,528,408
  5. Step 5: Solve for x
    x = 19,603,435,638,528,408/162,017,356.64
  6. Step 6: Final answer
    x = 120,995,898.50

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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.