Home / 117,918,179.40-176,877,269.10-74,977,746.60

Finding the Fourth Proportional to 117,918,179.40, 176,877,269.10 and 74,977,746.60

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Solution

The fourth proportional to 117,918,179.40, 176,877,269.10 and 74,977,746.60 is: 112,466,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,918,179.40 : 176,877,269.10 = 74,977,746.60 : x
  2. Step 2: Convert to fraction form
    117,918,179.40/176,877,269.10 = 74,977,746.60/x
  3. Step 3: Cross multiply
    117,918,179.40x = 176,877,269.10 × 74,977,746.60
  4. Step 4: Simplify right side
    117,918,179.40x = 13,261,859,061,879,808
  5. Step 5: Solve for x
    x = 13,261,859,061,879,808/117,918,179.40
  6. Step 6: Final answer
    x = 112,466,619.90

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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.