Home / 93,066,781.10-128,428,015.06-53,345,835.86

Finding the Fourth Proportional to 93,066,781.10, 128,428,015.06 and 53,345,835.86

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Solution

The fourth proportional to 93,066,781.10, 128,428,015.06 and 53,345,835.86 is: 73,614,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,066,781.10 : 128,428,015.06 = 53,345,835.86 : x
  2. Step 2: Convert to fraction form
    93,066,781.10/128,428,015.06 = 53,345,835.86/x
  3. Step 3: Cross multiply
    93,066,781.10x = 128,428,015.06 × 53,345,835.86
  4. Step 4: Simplify right side
    93,066,781.10x = 6,851,099,811,122,515
  5. Step 5: Solve for x
    x = 6,851,099,811,122,515/93,066,781.10
  6. Step 6: Final answer
    x = 73,614,878.80

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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.