Home / 85,664,640,134.80-118,218,274,621.64-47,087,771,816.50

Finding the Fourth Proportional to 85,664,640,134.80, 118,218,274,621.64 and 47,087,771,816.50

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Solution

The fourth proportional to 85,664,640,134.80, 118,218,274,621.64 and 47,087,771,816.50 is: 64,981,713,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,664,640,134.80 : 118,218,274,621.64 = 47,087,771,816.50 : x
  2. Step 2: Convert to fraction form
    85,664,640,134.80/118,218,274,621.64 = 47,087,771,816.50/x
  3. Step 3: Cross multiply
    85,664,640,134.80x = 118,218,274,621.64 × 47,087,771,816.50
  4. Step 4: Simplify right side
    85,664,640,134.80x = 5,566,635,139,924,116,897,792
  5. Step 5: Solve for x
    x = 5,566,635,139,924,116,897,792/85,664,640,134.80
  6. Step 6: Final answer
    x = 64,981,713,938.97

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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.