Home / 173,235,017.79-259,767,495.75-85,695,392.07

Finding the Fourth Proportional to 173,235,017.79, 259,767,495.75 and 85,695,392.07

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Solution

The fourth proportional to 173,235,017.79, 259,767,495.75 and 85,695,392.07 is: 128,501,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,235,017.79 : 259,767,495.75 = 85,695,392.07 : x
  2. Step 2: Convert to fraction form
    173,235,017.79/259,767,495.75 = 85,695,392.07/x
  3. Step 3: Cross multiply
    173,235,017.79x = 259,767,495.75 × 85,695,392.07
  4. Step 4: Simplify right side
    173,235,017.79x = 22,260,877,395,338,308
  5. Step 5: Solve for x
    x = 22,260,877,395,338,308/173,235,017.79
  6. Step 6: Final answer
    x = 128,501,025.25

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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.