Home / 93,329,820.12-128,775,924.16-53,629,679.96

Finding the Fourth Proportional to 93,329,820.12, 128,775,924.16 and 53,629,679.96

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Solution

The fourth proportional to 93,329,820.12, 128,775,924.16 and 53,629,679.96 is: 73,997,909.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,329,820.12 : 128,775,924.16 = 53,629,679.96 : x
  2. Step 2: Convert to fraction form
    93,329,820.12/128,775,924.16 = 53,629,679.96/x
  3. Step 3: Cross multiply
    93,329,820.12x = 128,775,924.16 × 53,629,679.96
  4. Step 4: Simplify right side
    93,329,820.12x = 6,906,211,599,254,032
  5. Step 5: Solve for x
    x = 6,906,211,599,254,032/93,329,820.12
  6. Step 6: Final answer
    x = 73,997,909.68

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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.