Home / 93,122,779.78-128,489,168.73-56,462,361.22

Finding the Fourth Proportional to 93,122,779.78, 128,489,168.73 and 56,462,361.22

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Solution

The fourth proportional to 93,122,779.78, 128,489,168.73 and 56,462,361.22 is: 77,905,769.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,122,779.78 : 128,489,168.73 = 56,462,361.22 : x
  2. Step 2: Convert to fraction form
    93,122,779.78/128,489,168.73 = 56,462,361.22/x
  3. Step 3: Cross multiply
    93,122,779.78x = 128,489,168.73 × 56,462,361.22
  4. Step 4: Simplify right side
    93,122,779.78x = 7,254,801,857,690,789
  5. Step 5: Solve for x
    x = 7,254,801,857,690,789/93,122,779.78
  6. Step 6: Final answer
    x = 77,905,769.94

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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.