Home / 216,345,122.17-298,556,531.08-117,225,792.74

Finding the Fourth Proportional to 216,345,122.17, 298,556,531.08 and 117,225,792.74

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Solution

The fourth proportional to 216,345,122.17, 298,556,531.08 and 117,225,792.74 is: 161,771,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,345,122.17 : 298,556,531.08 = 117,225,792.74 : x
  2. Step 2: Convert to fraction form
    216,345,122.17/298,556,531.08 = 117,225,792.74/x
  3. Step 3: Cross multiply
    216,345,122.17x = 298,556,531.08 × 117,225,792.74
  4. Step 4: Simplify right side
    216,345,122.17x = 34,998,526,034,010,776
  5. Step 5: Solve for x
    x = 34,998,526,034,010,776/216,345,122.17
  6. Step 6: Final answer
    x = 161,771,736.21

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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.