Home / 216,344,876.40-298,556,969.04-117,225,597.60

Finding the Fourth Proportional to 216,344,876.40, 298,556,969.04 and 117,225,597.60

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Solution

The fourth proportional to 216,344,876.40, 298,556,969.04 and 117,225,597.60 is: 161,771,888.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,344,876.40 : 298,556,969.04 = 117,225,597.60 : x
  2. Step 2: Convert to fraction form
    216,344,876.40/298,556,969.04 = 117,225,597.60/x
  3. Step 3: Cross multiply
    216,344,876.40x = 298,556,969.04 × 117,225,597.60
  4. Step 4: Simplify right side
    216,344,876.40x = 34,998,519,113,358,700
  5. Step 5: Solve for x
    x = 34,998,519,113,358,700/216,344,876.40
  6. Step 6: Final answer
    x = 161,771,888.00

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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.