Home / 358,102,629.60-537,153,944.40-99,317,349.60

Finding the Fourth Proportional to 358,102,629.60, 537,153,944.40 and 99,317,349.60

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Solution

The fourth proportional to 358,102,629.60, 537,153,944.40 and 99,317,349.60 is: 148,976,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,102,629.60 : 537,153,944.40 = 99,317,349.60 : x
  2. Step 2: Convert to fraction form
    358,102,629.60/537,153,944.40 = 99,317,349.60/x
  3. Step 3: Cross multiply
    358,102,629.60x = 537,153,944.40 × 99,317,349.60
  4. Step 4: Simplify right side
    358,102,629.60x = 53,348,706,084,993,760
  5. Step 5: Solve for x
    x = 53,348,706,084,993,760/358,102,629.60
  6. Step 6: Final answer
    x = 148,976,024.40

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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.