Home / 68,112,439,903.20-93,312,483,880.96-65,565,864,910.56

Finding the Fourth Proportional to 68,112,439,903.20, 93,312,483,880.96 and 65,565,864,910.56

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Solution

The fourth proportional to 68,112,439,903.20, 93,312,483,880.96 and 65,565,864,910.56 is: 89,823,734,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,112,439,903.20 : 93,312,483,880.96 = 65,565,864,910.56 : x
  2. Step 2: Convert to fraction form
    68,112,439,903.20/93,312,483,880.96 = 65,565,864,910.56/x
  3. Step 3: Cross multiply
    68,112,439,903.20x = 93,312,483,880.96 × 65,565,864,910.56
  4. Step 4: Simplify right side
    68,112,439,903.20x = 6,118,113,712,607,831,523,328
  5. Step 5: Solve for x
    x = 6,118,113,712,607,831,523,328/68,112,439,903.20
  6. Step 6: Final answer
    x = 89,823,734,420.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.