Home / 119,782,918.64-165,300,925.71-64,778,775.14

Finding the Fourth Proportional to 119,782,918.64, 165,300,925.71 and 64,778,775.14

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Solution

The fourth proportional to 119,782,918.64, 165,300,925.71 and 64,778,775.14 is: 89,394,979.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,782,918.64 : 165,300,925.71 = 64,778,775.14 : x
  2. Step 2: Convert to fraction form
    119,782,918.64/165,300,925.71 = 64,778,775.14/x
  3. Step 3: Cross multiply
    119,782,918.64x = 165,300,925.71 × 64,778,775.14
  4. Step 4: Simplify right side
    119,782,918.64x = 10,707,991,497,001,936
  5. Step 5: Solve for x
    x = 10,707,991,497,001,936/119,782,918.64
  6. Step 6: Final answer
    x = 89,394,979.01

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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.