Home / 85,030,656,176.80-127,545,984,265.20-49,621,663,511.20

Finding the Fourth Proportional to 85,030,656,176.80, 127,545,984,265.20 and 49,621,663,511.20

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Solution

The fourth proportional to 85,030,656,176.80, 127,545,984,265.20 and 49,621,663,511.20 is: 74,432,495,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,030,656,176.80 : 127,545,984,265.20 = 49,621,663,511.20 : x
  2. Step 2: Convert to fraction form
    85,030,656,176.80/127,545,984,265.20 = 49,621,663,511.20/x
  3. Step 3: Cross multiply
    85,030,656,176.80x = 127,545,984,265.20 × 49,621,663,511.20
  4. Step 4: Simplify right side
    85,030,656,176.80x = 6,329,043,913,412,563,697,664
  5. Step 5: Solve for x
    x = 6,329,043,913,412,563,697,664/85,030,656,176.80
  6. Step 6: Final answer
    x = 74,432,495,266.80

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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.