Home / 77,436,110.40-116,154,165.60-54,257,409.60

Finding the Fourth Proportional to 77,436,110.40, 116,154,165.60 and 54,257,409.60

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Solution

The fourth proportional to 77,436,110.40, 116,154,165.60 and 54,257,409.60 is: 81,386,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,436,110.40 : 116,154,165.60 = 54,257,409.60 : x
  2. Step 2: Convert to fraction form
    77,436,110.40/116,154,165.60 = 54,257,409.60/x
  3. Step 3: Cross multiply
    77,436,110.40x = 116,154,165.60 × 54,257,409.60
  4. Step 4: Simplify right side
    77,436,110.40x = 6,302,224,139,705,430
  5. Step 5: Solve for x
    x = 6,302,224,139,705,430/77,436,110.40
  6. Step 6: Final answer
    x = 81,386,114.40

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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.