Home / 103,417,700,424.88-142,716,030,321.10-57,691,939,418.88

Finding the Fourth Proportional to 103,417,700,424.88, 142,716,030,321.10 and 57,691,939,418.88

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Solution

The fourth proportional to 103,417,700,424.88, 142,716,030,321.10 and 57,691,939,418.88 is: 79,614,655,340.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,417,700,424.88 : 142,716,030,321.10 = 57,691,939,418.88 : x
  2. Step 2: Convert to fraction form
    103,417,700,424.88/142,716,030,321.10 = 57,691,939,418.88/x
  3. Step 3: Cross multiply
    103,417,700,424.88x = 142,716,030,321.10 × 57,691,939,418.88
  4. Step 4: Simplify right side
    103,417,700,424.88x = 8,233,564,575,387,942,387,712
  5. Step 5: Solve for x
    x = 8,233,564,575,387,942,387,712/103,417,700,424.88
  6. Step 6: Final answer
    x = 79,614,655,340.06

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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.