Home / 163,488,405.51-225,612,352.62-89,148,777.67

Finding the Fourth Proportional to 163,488,405.51, 225,612,352.62 and 89,148,777.67

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Solution

The fourth proportional to 163,488,405.51, 225,612,352.62 and 89,148,777.67 is: 123,024,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,488,405.51 : 225,612,352.62 = 89,148,777.67 : x
  2. Step 2: Convert to fraction form
    163,488,405.51/225,612,352.62 = 89,148,777.67/x
  3. Step 3: Cross multiply
    163,488,405.51x = 225,612,352.62 × 89,148,777.67
  4. Step 4: Simplify right side
    163,488,405.51x = 20,113,065,463,326,024
  5. Step 5: Solve for x
    x = 20,113,065,463,326,024/163,488,405.51
  6. Step 6: Final answer
    x = 123,024,415.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.