Home / 289,944,558.40-434,916,837.60-98,468,334.40

Finding the Fourth Proportional to 289,944,558.40, 434,916,837.60 and 98,468,334.40

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Solution

The fourth proportional to 289,944,558.40, 434,916,837.60 and 98,468,334.40 is: 147,702,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,944,558.40 : 434,916,837.60 = 98,468,334.40 : x
  2. Step 2: Convert to fraction form
    289,944,558.40/434,916,837.60 = 98,468,334.40/x
  3. Step 3: Cross multiply
    289,944,558.40x = 434,916,837.60 × 98,468,334.40
  4. Step 4: Simplify right side
    289,944,558.40x = 42,825,536,600,987,296
  5. Step 5: Solve for x
    x = 42,825,536,600,987,296/289,944,558.40
  6. Step 6: Final answer
    x = 147,702,501.60

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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.