Home / 88,009,834.40-132,014,751.60-80,445,341.60

Finding the Fourth Proportional to 88,009,834.40, 132,014,751.60 and 80,445,341.60

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Solution

The fourth proportional to 88,009,834.40, 132,014,751.60 and 80,445,341.60 is: 120,668,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,009,834.40 : 132,014,751.60 = 80,445,341.60 : x
  2. Step 2: Convert to fraction form
    88,009,834.40/132,014,751.60 = 80,445,341.60/x
  3. Step 3: Cross multiply
    88,009,834.40x = 132,014,751.60 × 80,445,341.60
  4. Step 4: Simplify right side
    88,009,834.40x = 10,619,971,788,701,146
  5. Step 5: Solve for x
    x = 10,619,971,788,701,146/88,009,834.40
  6. Step 6: Final answer
    x = 120,668,012.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.