Home / 162,413,618.40-243,620,427.60-144,557,200.80

Finding the Fourth Proportional to 162,413,618.40, 243,620,427.60 and 144,557,200.80

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Solution

The fourth proportional to 162,413,618.40, 243,620,427.60 and 144,557,200.80 is: 216,835,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,413,618.40 : 243,620,427.60 = 144,557,200.80 : x
  2. Step 2: Convert to fraction form
    162,413,618.40/243,620,427.60 = 144,557,200.80/x
  3. Step 3: Cross multiply
    162,413,618.40x = 243,620,427.60 × 144,557,200.80
  4. Step 4: Simplify right side
    162,413,618.40x = 35,217,087,071,555,064
  5. Step 5: Solve for x
    x = 35,217,087,071,555,064/162,413,618.40
  6. Step 6: Final answer
    x = 216,835,801.20

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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.