Home / 180,501,140.88-249,106,989.60-102,198,492.72

Finding the Fourth Proportional to 180,501,140.88, 249,106,989.60 and 102,198,492.72

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Solution

The fourth proportional to 180,501,140.88, 249,106,989.60 and 102,198,492.72 is: 141,042,647.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,501,140.88 : 249,106,989.60 = 102,198,492.72 : x
  2. Step 2: Convert to fraction form
    180,501,140.88/249,106,989.60 = 102,198,492.72/x
  3. Step 3: Cross multiply
    180,501,140.88x = 249,106,989.60 × 102,198,492.72
  4. Step 4: Simplify right side
    180,501,140.88x = 25,458,358,863,136,716
  5. Step 5: Solve for x
    x = 25,458,358,863,136,716/180,501,140.88
  6. Step 6: Final answer
    x = 141,042,647.92

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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.