Home / 166,782,099,977.76-230,159,446,276.80-90,658,513,973.28

Finding the Fourth Proportional to 166,782,099,977.76, 230,159,446,276.80 and 90,658,513,973.28

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Solution

The fourth proportional to 166,782,099,977.76, 230,159,446,276.80 and 90,658,513,973.28 is: 125,108,829,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,782,099,977.76 : 230,159,446,276.80 = 90,658,513,973.28 : x
  2. Step 2: Convert to fraction form
    166,782,099,977.76/230,159,446,276.80 = 90,658,513,973.28/x
  3. Step 3: Cross multiply
    166,782,099,977.76x = 230,159,446,276.80 × 90,658,513,973.28
  4. Step 4: Simplify right side
    166,782,099,977.76x = 20,865,913,376,367,659,974,656
  5. Step 5: Solve for x
    x = 20,865,913,376,367,659,974,656/166,782,099,977.76
  6. Step 6: Final answer
    x = 125,108,829,899.31

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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.