Home / 76,746,135.60-114,969,904.20-46,363,748.40

Finding the Fourth Proportional to 76,746,135.60, 114,969,904.20 and 46,363,748.40

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Solution

The fourth proportional to 76,746,135.60, 114,969,904.20 and 46,363,748.40 is: 69,455,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,746,135.60 : 114,969,904.20 = 46,363,748.40 : x
  2. Step 2: Convert to fraction form
    76,746,135.60/114,969,904.20 = 46,363,748.40/x
  3. Step 3: Cross multiply
    76,746,135.60x = 114,969,904.20 × 46,363,748.40
  4. Step 4: Simplify right side
    76,746,135.60x = 5,330,435,711,900,903
  5. Step 5: Solve for x
    x = 5,330,435,711,900,903/76,746,135.60
  6. Step 6: Final answer
    x = 69,455,428.21

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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.