Home / 90,699,696,035.60-136,049,544,053.40-81,557,210,224.40

Finding the Fourth Proportional to 90,699,696,035.60, 136,049,544,053.40 and 81,557,210,224.40

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Solution

The fourth proportional to 90,699,696,035.60, 136,049,544,053.40 and 81,557,210,224.40 is: 122,335,815,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699,696,035.60 : 136,049,544,053.40 = 81,557,210,224.40 : x
  2. Step 2: Convert to fraction form
    90,699,696,035.60/136,049,544,053.40 = 81,557,210,224.40/x
  3. Step 3: Cross multiply
    90,699,696,035.60x = 136,049,544,053.40 × 81,557,210,224.40
  4. Step 4: Simplify right side
    90,699,696,035.60x = 11,095,821,265,296,911,499,264
  5. Step 5: Solve for x
    x = 11,095,821,265,296,911,499,264/90,699,696,035.60
  6. Step 6: Final answer
    x = 122,335,815,336.60

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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.