Home / 163,733,558.20-245,600,337.30-77,640,116.20

Finding the Fourth Proportional to 163,733,558.20, 245,600,337.30 and 77,640,116.20

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Solution

The fourth proportional to 163,733,558.20, 245,600,337.30 and 77,640,116.20 is: 116,460,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,733,558.20 : 245,600,337.30 = 77,640,116.20 : x
  2. Step 2: Convert to fraction form
    163,733,558.20/245,600,337.30 = 77,640,116.20/x
  3. Step 3: Cross multiply
    163,733,558.20x = 245,600,337.30 × 77,640,116.20
  4. Step 4: Simplify right side
    163,733,558.20x = 19,068,438,726,731,196
  5. Step 5: Solve for x
    x = 19,068,438,726,731,196/163,733,558.20
  6. Step 6: Final answer
    x = 116,460,174.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.