Home / 72,429,728,080.90-99,953,029,557.93-40,314,401,025.70

Finding the Fourth Proportional to 72,429,728,080.90, 99,953,029,557.93 and 40,314,401,025.70

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Solution

The fourth proportional to 72,429,728,080.90, 99,953,029,557.93 and 40,314,401,025.70 is: 55,633,876,090.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,429,728,080.90 : 99,953,029,557.93 = 40,314,401,025.70 : x
  2. Step 2: Convert to fraction form
    72,429,728,080.90/99,953,029,557.93 = 40,314,401,025.70/x
  3. Step 3: Cross multiply
    72,429,728,080.90x = 99,953,029,557.93 × 40,314,401,025.70
  4. Step 4: Simplify right side
    72,429,728,080.90x = 4,029,546,517,332,035,108,864
  5. Step 5: Solve for x
    x = 4,029,546,517,332,035,108,864/72,429,728,080.90
  6. Step 6: Final answer
    x = 55,633,876,090.65

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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.