Home / 145,690,885,204.28-201,039,929,165.80-80,583,911,220.74

Finding the Fourth Proportional to 145,690,885,204.28, 201,039,929,165.80 and 80,583,911,220.74

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Solution

The fourth proportional to 145,690,885,204.28, 201,039,929,165.80 and 80,583,911,220.74 is: 111,198,334,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,690,885,204.28 : 201,039,929,165.80 = 80,583,911,220.74 : x
  2. Step 2: Convert to fraction form
    145,690,885,204.28/201,039,929,165.80 = 80,583,911,220.74/x
  3. Step 3: Cross multiply
    145,690,885,204.28x = 201,039,929,165.80 × 80,583,911,220.74
  4. Step 4: Simplify right side
    145,690,885,204.28x = 16,200,583,803,720,685,322,240
  5. Step 5: Solve for x
    x = 16,200,583,803,720,685,322,240/145,690,885,204.28
  6. Step 6: Final answer
    x = 111,198,334,617.88

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1.5x scale

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.