Home / 239,139,728.40-358,709,592.60-157,510,390.80

Finding the Fourth Proportional to 239,139,728.40, 358,709,592.60 and 157,510,390.80

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Solution

The fourth proportional to 239,139,728.40, 358,709,592.60 and 157,510,390.80 is: 236,265,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,139,728.40 : 358,709,592.60 = 157,510,390.80 : x
  2. Step 2: Convert to fraction form
    239,139,728.40/358,709,592.60 = 157,510,390.80/x
  3. Step 3: Cross multiply
    239,139,728.40x = 358,709,592.60 × 157,510,390.80
  4. Step 4: Simplify right side
    239,139,728.40x = 56,500,488,114,134,800
  5. Step 5: Solve for x
    x = 56,500,488,114,134,800/239,139,728.40
  6. Step 6: Final answer
    x = 236,265,586.20

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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.