Home / 216,977,363.70-325,466,045.55-130,813,062.90

Finding the Fourth Proportional to 216,977,363.70, 325,466,045.55 and 130,813,062.90

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Solution

The fourth proportional to 216,977,363.70, 325,466,045.55 and 130,813,062.90 is: 196,219,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,977,363.70 : 325,466,045.55 = 130,813,062.90 : x
  2. Step 2: Convert to fraction form
    216,977,363.70/325,466,045.55 = 130,813,062.90/x
  3. Step 3: Cross multiply
    216,977,363.70x = 325,466,045.55 × 130,813,062.90
  4. Step 4: Simplify right side
    216,977,363.70x = 42,575,210,288,346,416
  5. Step 5: Solve for x
    x = 42,575,210,288,346,416/216,977,363.70
  6. Step 6: Final answer
    x = 196,219,594.35

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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.