Home / 341,653,368.20-512,430,285.90-99,291,000.20

Finding the Fourth Proportional to 341,653,368.20, 512,430,285.90 and 99,291,000.20

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Solution

The fourth proportional to 341,653,368.20, 512,430,285.90 and 99,291,000.20 is: 148,922,037.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,653,368.20 : 512,430,285.90 = 99,291,000.20 : x
  2. Step 2: Convert to fraction form
    341,653,368.20/512,430,285.90 = 99,291,000.20/x
  3. Step 3: Cross multiply
    341,653,368.20x = 512,430,285.90 × 99,291,000.20
  4. Step 4: Simplify right side
    341,653,368.20x = 50,879,715,619,782,960
  5. Step 5: Solve for x
    x = 50,879,715,619,782,960/341,653,368.20
  6. Step 6: Final answer
    x = 148,922,037.23

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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.