Home / 119,782,883.86-165,300,877.84-64,778,740.36

Finding the Fourth Proportional to 119,782,883.86, 165,300,877.84 and 64,778,740.36

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Solution

The fourth proportional to 119,782,883.86, 165,300,877.84 and 64,778,740.36 is: 89,394,931.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,782,883.86 : 165,300,877.84 = 64,778,740.36 : x
  2. Step 2: Convert to fraction form
    119,782,883.86/165,300,877.84 = 64,778,740.36/x
  3. Step 3: Cross multiply
    119,782,883.86x = 165,300,877.84 × 64,778,740.36
  4. Step 4: Simplify right side
    119,782,883.86x = 10,707,982,646,877,438
  5. Step 5: Solve for x
    x = 10,707,982,646,877,438/119,782,883.86
  6. Step 6: Final answer
    x = 89,394,931.08

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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.