Home / 157,754,099.37-236,635,969.77-54,121,851.01

Finding the Fourth Proportional to 157,754,099.37, 236,635,969.77 and 54,121,851.01

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Solution

The fourth proportional to 157,754,099.37, 236,635,969.77 and 54,121,851.01 is: 81,184,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,754,099.37 : 236,635,969.77 = 54,121,851.01 : x
  2. Step 2: Convert to fraction form
    157,754,099.37/236,635,969.77 = 54,121,851.01/x
  3. Step 3: Cross multiply
    157,754,099.37x = 236,635,969.77 × 54,121,851.01
  4. Step 4: Simplify right side
    157,754,099.37x = 12,807,176,698,045,014
  5. Step 5: Solve for x
    x = 12,807,176,698,045,014/157,754,099.37
  6. Step 6: Final answer
    x = 81,184,430.39

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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.