Home / 216,614,806.02-298,926,675.09-117,495,306.90

Finding the Fourth Proportional to 216,614,806.02, 298,926,675.09 and 117,495,306.90

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Solution

The fourth proportional to 216,614,806.02, 298,926,675.09 and 117,495,306.90 is: 162,142,570.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,614,806.02 : 298,926,675.09 = 117,495,306.90 : x
  2. Step 2: Convert to fraction form
    216,614,806.02/298,926,675.09 = 117,495,306.90/x
  3. Step 3: Cross multiply
    216,614,806.02x = 298,926,675.09 × 117,495,306.90
  4. Step 4: Simplify right side
    216,614,806.02x = 35,122,481,430,296,132
  5. Step 5: Solve for x
    x = 35,122,481,430,296,132/216,614,806.02
  6. Step 6: Final answer
    x = 162,142,570.38

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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.