Home / 99,892,278,132.94-149,778,579,361.02-31,793,925,487.11

Finding the Fourth Proportional to 99,892,278,132.94, 149,778,579,361.02 and 31,793,925,487.11

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Solution

The fourth proportional to 99,892,278,132.94, 149,778,579,361.02 and 31,793,925,487.11 is: 47,671,842,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,892,278,132.94 : 149,778,579,361.02 = 31,793,925,487.11 : x
  2. Step 2: Convert to fraction form
    99,892,278,132.94/149,778,579,361.02 = 31,793,925,487.11/x
  3. Step 3: Cross multiply
    99,892,278,132.94x = 149,778,579,361.02 × 31,793,925,487.11
  4. Step 4: Simplify right side
    99,892,278,132.94x = 4,762,048,991,769,461,260,288
  5. Step 5: Solve for x
    x = 4,762,048,991,769,461,260,288/99,892,278,132.94
  6. Step 6: Final answer
    x = 47,671,842,916.95

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1.5x scale

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.