Home / 56,643,531,322.05-78,167,675,572.43-30,922,811,236.71

Finding the Fourth Proportional to 56,643,531,322.05, 78,167,675,572.43 and 30,922,811,236.71

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Solution

The fourth proportional to 56,643,531,322.05, 78,167,675,572.43 and 30,922,811,236.71 is: 42,673,262,420.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,643,531,322.05 : 78,167,675,572.43 = 30,922,811,236.71 : x
  2. Step 2: Convert to fraction form
    56,643,531,322.05/78,167,675,572.43 = 30,922,811,236.71/x
  3. Step 3: Cross multiply
    56,643,531,322.05x = 78,167,675,572.43 × 30,922,811,236.71
  4. Step 4: Simplify right side
    56,643,531,322.05x = 2,417,164,276,538,485,506,048
  5. Step 5: Solve for x
    x = 2,417,164,276,538,485,506,048/56,643,531,322.05
  6. Step 6: Final answer
    x = 42,673,262,420.66

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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.