Home / 88,692,720.40-132,927,106.20-78,615,024.40

Finding the Fourth Proportional to 88,692,720.40, 132,927,106.20 and 78,615,024.40

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Solution

The fourth proportional to 88,692,720.40, 132,927,106.20 and 78,615,024.40 is: 117,823,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,692,720.40 : 132,927,106.20 = 78,615,024.40 : x
  2. Step 2: Convert to fraction form
    88,692,720.40/132,927,106.20 = 78,615,024.40/x
  3. Step 3: Cross multiply
    88,692,720.40x = 132,927,106.20 × 78,615,024.40
  4. Step 4: Simplify right side
    88,692,720.40x = 10,450,067,697,334,392
  5. Step 5: Solve for x
    x = 10,450,067,697,334,392/88,692,720.40
  6. Step 6: Final answer
    x = 117,823,285.27

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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.