Home / 305,129,130.60-457,693,695.90-201,817,000.20

Finding the Fourth Proportional to 305,129,130.60, 457,693,695.90 and 201,817,000.20

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Solution

The fourth proportional to 305,129,130.60, 457,693,695.90 and 201,817,000.20 is: 302,725,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,129,130.60 : 457,693,695.90 = 201,817,000.20 : x
  2. Step 2: Convert to fraction form
    305,129,130.60/457,693,695.90 = 201,817,000.20/x
  3. Step 3: Cross multiply
    305,129,130.60x = 457,693,695.90 × 201,817,000.20
  4. Step 4: Simplify right side
    305,129,130.60x = 92,370,368,716,989,024
  5. Step 5: Solve for x
    x = 92,370,368,716,989,024/305,129,130.60
  6. Step 6: Final answer
    x = 302,725,500.30

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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.