Home / 86,103,814.74-118,825,647.12-52,618,713.81

Finding the Fourth Proportional to 86,103,814.74, 118,825,647.12 and 52,618,713.81

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Solution

The fourth proportional to 86,103,814.74, 118,825,647.12 and 52,618,713.81 is: 72,615,281.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,103,814.74 : 118,825,647.12 = 52,618,713.81 : x
  2. Step 2: Convert to fraction form
    86,103,814.74/118,825,647.12 = 52,618,713.81/x
  3. Step 3: Cross multiply
    86,103,814.74x = 118,825,647.12 × 52,618,713.81
  4. Step 4: Simplify right side
    86,103,814.74x = 6,252,452,719,095,331
  5. Step 5: Solve for x
    x = 6,252,452,719,095,331/86,103,814.74
  6. Step 6: Final answer
    x = 72,615,281.19

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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.