Home / 448,291,240.80-672,436,861.20-157,486,725.60

Finding the Fourth Proportional to 448,291,240.80, 672,436,861.20 and 157,486,725.60

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Solution

The fourth proportional to 448,291,240.80, 672,436,861.20 and 157,486,725.60 is: 236,230,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,291,240.80 : 672,436,861.20 = 157,486,725.60 : x
  2. Step 2: Convert to fraction form
    448,291,240.80/672,436,861.20 = 157,486,725.60/x
  3. Step 3: Cross multiply
    448,291,240.80x = 672,436,861.20 × 157,486,725.60
  4. Step 4: Simplify right side
    448,291,240.80x = 105,899,879,443,129,696
  5. Step 5: Solve for x
    x = 105,899,879,443,129,696/448,291,240.80
  6. Step 6: Final answer
    x = 236,230,088.40

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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.