Home / 288,606,634.20-432,867,960.90-84,113,386.20

Finding the Fourth Proportional to 288,606,634.20, 432,867,960.90 and 84,113,386.20

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Solution

The fourth proportional to 288,606,634.20, 432,867,960.90 and 84,113,386.20 is: 126,157,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,606,634.20 : 432,867,960.90 = 84,113,386.20 : x
  2. Step 2: Convert to fraction form
    288,606,634.20/432,867,960.90 = 84,113,386.20/x
  3. Step 3: Cross multiply
    288,606,634.20x = 432,867,960.90 × 84,113,386.20
  4. Step 4: Simplify right side
    288,606,634.20x = 36,409,989,968,788,200
  5. Step 5: Solve for x
    x = 36,409,989,968,788,200/288,606,634.20
  6. Step 6: Final answer
    x = 126,157,841.35

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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.