Home / 72,429,728,079.90-99,953,029,556.55-40,314,401,024.70

Finding the Fourth Proportional to 72,429,728,079.90, 99,953,029,556.55 and 40,314,401,024.70

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Solution

The fourth proportional to 72,429,728,079.90, 99,953,029,556.55 and 40,314,401,024.70 is: 55,633,876,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,429,728,079.90 : 99,953,029,556.55 = 40,314,401,024.70 : x
  2. Step 2: Convert to fraction form
    72,429,728,079.90/99,953,029,556.55 = 40,314,401,024.70/x
  3. Step 3: Cross multiply
    72,429,728,079.90x = 99,953,029,556.55 × 40,314,401,024.70
  4. Step 4: Simplify right side
    72,429,728,079.90x = 4,029,546,517,176,448,450,560
  5. Step 5: Solve for x
    x = 4,029,546,517,176,448,450,560/72,429,728,079.90
  6. Step 6: Final answer
    x = 55,633,876,089.27

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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.