Home / 157,464,655.20-236,315,080.80-80,748,194.40

Finding the Fourth Proportional to 157,464,655.20, 236,315,080.80 and 80,748,194.40

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Solution

The fourth proportional to 157,464,655.20, 236,315,080.80 and 80,748,194.40 is: 121,182,852.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,655.20 : 236,315,080.80 = 80,748,194.40 : x
  2. Step 2: Convert to fraction form
    157,464,655.20/236,315,080.80 = 80,748,194.40/x
  3. Step 3: Cross multiply
    157,464,655.20x = 236,315,080.80 × 80,748,194.40
  4. Step 4: Simplify right side
    157,464,655.20x = 19,082,016,084,090,108
  5. Step 5: Solve for x
    x = 19,082,016,084,090,108/157,464,655.20
  6. Step 6: Final answer
    x = 121,182,852.49

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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.