Home / 163,488,406.51-225,612,354-89,148,778.67

Finding the Fourth Proportional to 163,488,406.51, 225,612,354 and 89,148,778.67

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Solution

The fourth proportional to 163,488,406.51, 225,612,354 and 89,148,778.67 is: 123,024,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,488,406.51 : 225,612,354 = 89,148,778.67 : x
  2. Step 2: Convert to fraction form
    163,488,406.51/225,612,354 = 89,148,778.67/x
  3. Step 3: Cross multiply
    163,488,406.51x = 225,612,354 × 89,148,778.67
  4. Step 4: Simplify right side
    163,488,406.51x = 20,113,065,811,963,688
  5. Step 5: Solve for x
    x = 20,113,065,811,963,688/163,488,406.51
  6. Step 6: Final answer
    x = 123,024,416.48

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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.