Home / 86,201,844.61-118,956,885.57-47,043,901.59

Finding the Fourth Proportional to 86,201,844.61, 118,956,885.57 and 47,043,901.59

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Solution

The fourth proportional to 86,201,844.61, 118,956,885.57 and 47,043,901.59 is: 64,919,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,201,844.61 : 118,956,885.57 = 47,043,901.59 : x
  2. Step 2: Convert to fraction form
    86,201,844.61/118,956,885.57 = 47,043,901.59/x
  3. Step 3: Cross multiply
    86,201,844.61x = 118,956,885.57 × 47,043,901.59
  4. Step 4: Simplify right side
    86,201,844.61x = 5,596,196,018,207,971
  5. Step 5: Solve for x
    x = 5,596,196,018,207,971/86,201,844.61
  6. Step 6: Final answer
    x = 64,919,678.27

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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.