Home / 157,464,583.20-236,314,972.80-80,748,122.40

Finding the Fourth Proportional to 157,464,583.20, 236,314,972.80 and 80,748,122.40

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Solution

The fourth proportional to 157,464,583.20, 236,314,972.80 and 80,748,122.40 is: 121,182,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,583.20 : 236,314,972.80 = 80,748,122.40 : x
  2. Step 2: Convert to fraction form
    157,464,583.20/236,314,972.80 = 80,748,122.40/x
  3. Step 3: Cross multiply
    157,464,583.20x = 236,314,972.80 × 80,748,122.40
  4. Step 4: Simplify right side
    157,464,583.20x = 19,081,990,348,607,072
  5. Step 5: Solve for x
    x = 19,081,990,348,607,072/157,464,583.20
  6. Step 6: Final answer
    x = 121,182,744.47

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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.