Home / 57,113,618,221.09-78,733,725,084.84-39,913,068,565.81

Finding the Fourth Proportional to 57,113,618,221.09, 78,733,725,084.84 and 39,913,068,565.81

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Solution

The fourth proportional to 57,113,618,221.09, 78,733,725,084.84 and 39,913,068,565.81 is: 55,021,983,646.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,113,618,221.09 : 78,733,725,084.84 = 39,913,068,565.81 : x
  2. Step 2: Convert to fraction form
    57,113,618,221.09/78,733,725,084.84 = 39,913,068,565.81/x
  3. Step 3: Cross multiply
    57,113,618,221.09x = 78,733,725,084.84 × 39,913,068,565.81
  4. Step 4: Simplify right side
    57,113,618,221.09x = 3,142,504,567,752,853,291,008
  5. Step 5: Solve for x
    x = 3,142,504,567,752,853,291,008/57,113,618,221.09
  6. Step 6: Final answer
    x = 55,021,983,646.49

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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.