Home / 77,295,622.40-115,943,433.60-36,984,838.40

Finding the Fourth Proportional to 77,295,622.40, 115,943,433.60 and 36,984,838.40

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Solution

The fourth proportional to 77,295,622.40, 115,943,433.60 and 36,984,838.40 is: 55,477,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,295,622.40 : 115,943,433.60 = 36,984,838.40 : x
  2. Step 2: Convert to fraction form
    77,295,622.40/115,943,433.60 = 36,984,838.40/x
  3. Step 3: Cross multiply
    77,295,622.40x = 115,943,433.60 × 36,984,838.40
  4. Step 4: Simplify right side
    77,295,622.40x = 4,288,149,155,237,130
  5. Step 5: Solve for x
    x = 4,288,149,155,237,130/77,295,622.40
  6. Step 6: Final answer
    x = 55,477,257.60

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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.