Home / 78,732,723.51-108,651,226.11-43,925,419.32

Finding the Fourth Proportional to 78,732,723.51, 108,651,226.11 and 43,925,419.32

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Solution

The fourth proportional to 78,732,723.51, 108,651,226.11 and 43,925,419.32 is: 60,617,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,723.51 : 108,651,226.11 = 43,925,419.32 : x
  2. Step 2: Convert to fraction form
    78,732,723.51/108,651,226.11 = 43,925,419.32/x
  3. Step 3: Cross multiply
    78,732,723.51x = 108,651,226.11 × 43,925,419.32
  4. Step 4: Simplify right side
    78,732,723.51x = 4,772,550,666,513,882
  5. Step 5: Solve for x
    x = 4,772,550,666,513,882/78,732,723.51
  6. Step 6: Final answer
    x = 60,617,116.41

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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.