Home / 93,010,850.51-128,377,754.15-72,061,446.29

Finding the Fourth Proportional to 93,010,850.51, 128,377,754.15 and 72,061,446.29

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Solution

The fourth proportional to 93,010,850.51, 128,377,754.15 and 72,061,446.29 is: 99,462,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,010,850.51 : 128,377,754.15 = 72,061,446.29 : x
  2. Step 2: Convert to fraction form
    93,010,850.51/128,377,754.15 = 72,061,446.29/x
  3. Step 3: Cross multiply
    93,010,850.51x = 128,377,754.15 × 72,061,446.29
  4. Step 4: Simplify right side
    93,010,850.51x = 9,251,086,634,508,852
  5. Step 5: Solve for x
    x = 9,251,086,634,508,852/93,010,850.51
  6. Step 6: Final answer
    x = 99,462,445.34

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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.