Home / 76,602,039.40-114,903,059.10-36,291,255.40

Finding the Fourth Proportional to 76,602,039.40, 114,903,059.10 and 36,291,255.40

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Solution

The fourth proportional to 76,602,039.40, 114,903,059.10 and 36,291,255.40 is: 54,436,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,602,039.40 : 114,903,059.10 = 36,291,255.40 : x
  2. Step 2: Convert to fraction form
    76,602,039.40/114,903,059.10 = 36,291,255.40/x
  3. Step 3: Cross multiply
    76,602,039.40x = 114,903,059.10 × 36,291,255.40
  4. Step 4: Simplify right side
    76,602,039.40x = 4,169,976,264,039,394
  5. Step 5: Solve for x
    x = 4,169,976,264,039,394/76,602,039.40
  6. Step 6: Final answer
    x = 54,436,883.10

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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.