Home / 157,473,219.80-236,091,731.70-80,851,237.40

Finding the Fourth Proportional to 157,473,219.80, 236,091,731.70 and 80,851,237.40

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Solution

The fourth proportional to 157,473,219.80, 236,091,731.70 and 80,851,237.40 is: 121,216,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,473,219.80 : 236,091,731.70 = 80,851,237.40 : x
  2. Step 2: Convert to fraction form
    157,473,219.80/236,091,731.70 = 80,851,237.40/x
  3. Step 3: Cross multiply
    157,473,219.80x = 236,091,731.70 × 80,851,237.40
  4. Step 4: Simplify right side
    157,473,219.80x = 19,088,308,647,853,808
  5. Step 5: Solve for x
    x = 19,088,308,647,853,808/157,473,219.80
  6. Step 6: Final answer
    x = 121,216,221.22

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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.