Home / 85,664,640,132.80-118,218,274,618.88-47,087,771,814.50

Finding the Fourth Proportional to 85,664,640,132.80, 118,218,274,618.88 and 47,087,771,814.50

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Solution

The fourth proportional to 85,664,640,132.80, 118,218,274,618.88 and 47,087,771,814.50 is: 64,981,713,936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,664,640,132.80 : 118,218,274,618.88 = 47,087,771,814.50 : x
  2. Step 2: Convert to fraction form
    85,664,640,132.80/118,218,274,618.88 = 47,087,771,814.50/x
  3. Step 3: Cross multiply
    85,664,640,132.80x = 118,218,274,618.88 × 47,087,771,814.50
  4. Step 4: Simplify right side
    85,664,640,132.80x = 5,566,635,139,557,127,880,704
  5. Step 5: Solve for x
    x = 5,566,635,139,557,127,880,704/85,664,640,132.80
  6. Step 6: Final answer
    x = 64,981,713,936.20

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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.