Home / 216,344,877.40-298,556,970.42-117,225,598.60

Finding the Fourth Proportional to 216,344,877.40, 298,556,970.42 and 117,225,598.60

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Solution

The fourth proportional to 216,344,877.40, 298,556,970.42 and 117,225,598.60 is: 161,771,889.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,344,877.40 : 298,556,970.42 = 117,225,598.60 : x
  2. Step 2: Convert to fraction form
    216,344,877.40/298,556,970.42 = 117,225,598.60/x
  3. Step 3: Cross multiply
    216,344,877.40x = 298,556,970.42 × 117,225,598.60
  4. Step 4: Simplify right side
    216,344,877.40x = 34,998,519,573,686,992
  5. Step 5: Solve for x
    x = 34,998,519,573,686,992/216,344,877.40
  6. Step 6: Final answer
    x = 161,771,889.38

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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.