Home / 77,420,246.40-116,130,369.60-50,210,467.20

Finding the Fourth Proportional to 77,420,246.40, 116,130,369.60 and 50,210,467.20

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Solution

The fourth proportional to 77,420,246.40, 116,130,369.60 and 50,210,467.20 is: 75,315,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,420,246.40 : 116,130,369.60 = 50,210,467.20 : x
  2. Step 2: Convert to fraction form
    77,420,246.40/116,130,369.60 = 50,210,467.20/x
  3. Step 3: Cross multiply
    77,420,246.40x = 116,130,369.60 × 50,210,467.20
  4. Step 4: Simplify right side
    77,420,246.40x = 5,830,960,113,724,677
  5. Step 5: Solve for x
    x = 5,830,960,113,724,677/77,420,246.40
  6. Step 6: Final answer
    x = 75,315,700.80

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1.5x scale

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.