Home / 302,199,280.80-453,298,921.20-83,849,200.80

Finding the Fourth Proportional to 302,199,280.80, 453,298,921.20 and 83,849,200.80

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Solution

The fourth proportional to 302,199,280.80, 453,298,921.20 and 83,849,200.80 is: 125,773,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,199,280.80 : 453,298,921.20 = 83,849,200.80 : x
  2. Step 2: Convert to fraction form
    302,199,280.80/453,298,921.20 = 83,849,200.80/x
  3. Step 3: Cross multiply
    302,199,280.80x = 453,298,921.20 × 83,849,200.80
  4. Step 4: Simplify right side
    302,199,280.80x = 38,008,752,266,122,176
  5. Step 5: Solve for x
    x = 38,008,752,266,122,176/302,199,280.80
  6. Step 6: Final answer
    x = 125,773,801.20

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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.