Home / 86,178,389.64-118,787,250.60-58,290,929.52

Finding the Fourth Proportional to 86,178,389.64, 118,787,250.60 and 58,290,929.52

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Solution

The fourth proportional to 86,178,389.64, 118,787,250.60 and 58,290,929.52 is: 80,347,512.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,178,389.64 : 118,787,250.60 = 58,290,929.52 : x
  2. Step 2: Convert to fraction form
    86,178,389.64/118,787,250.60 = 58,290,929.52/x
  3. Step 3: Cross multiply
    86,178,389.64x = 118,787,250.60 × 58,290,929.52
  4. Step 4: Simplify right side
    86,178,389.64x = 6,924,219,252,599,178
  5. Step 5: Solve for x
    x = 6,924,219,252,599,178/86,178,389.64
  6. Step 6: Final answer
    x = 80,347,512.66

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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.