Home / 157,464,669.60-236,197,004.40-80,937,165.60

Finding the Fourth Proportional to 157,464,669.60, 236,197,004.40 and 80,937,165.60

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Solution

The fourth proportional to 157,464,669.60, 236,197,004.40 and 80,937,165.60 is: 121,405,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,669.60 : 236,197,004.40 = 80,937,165.60 : x
  2. Step 2: Convert to fraction form
    157,464,669.60/236,197,004.40 = 80,937,165.60/x
  3. Step 3: Cross multiply
    157,464,669.60x = 236,197,004.40 × 80,937,165.60
  4. Step 4: Simplify right side
    157,464,669.60x = 19,117,116,059,346,728
  5. Step 5: Solve for x
    x = 19,117,116,059,346,728/157,464,669.60
  6. Step 6: Final answer
    x = 121,405,748.40

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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.