Home / 78,732,720.01-108,651,221.27-43,925,415.81

Finding the Fourth Proportional to 78,732,720.01, 108,651,221.27 and 43,925,415.81

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Solution

The fourth proportional to 78,732,720.01, 108,651,221.27 and 43,925,415.81 is: 60,617,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,720.01 : 108,651,221.27 = 43,925,415.81 : x
  2. Step 2: Convert to fraction form
    78,732,720.01/108,651,221.27 = 43,925,415.81/x
  3. Step 3: Cross multiply
    78,732,720.01x = 108,651,221.27 × 43,925,415.81
  4. Step 4: Simplify right side
    78,732,720.01x = 4,772,550,072,549,066
  5. Step 5: Solve for x
    x = 4,772,550,072,549,066/78,732,720.01
  6. Step 6: Final answer
    x = 60,617,111.56

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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.