Home / 249,536,063.20-374,329,107.60-85,752,248.80

Finding the Fourth Proportional to 249,536,063.20, 374,329,107.60 and 85,752,248.80

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Solution

The fourth proportional to 249,536,063.20, 374,329,107.60 and 85,752,248.80 is: 128,636,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,536,063.20 : 374,329,107.60 = 85,752,248.80 : x
  2. Step 2: Convert to fraction form
    249,536,063.20/374,329,107.60 = 85,752,248.80/x
  3. Step 3: Cross multiply
    249,536,063.20x = 374,329,107.60 × 85,752,248.80
  4. Step 4: Simplify right side
    249,536,063.20x = 32,099,562,767,997,172
  5. Step 5: Solve for x
    x = 32,099,562,767,997,172/249,536,063.20
  6. Step 6: Final answer
    x = 128,636,968.77

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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.