Home / 70,119,530.50-105,184,584.18-20,931,500.26

Finding the Fourth Proportional to 70,119,530.50, 105,184,584.18 and 20,931,500.26

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Solution

The fourth proportional to 70,119,530.50, 105,184,584.18 and 20,931,500.26 is: 31,398,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,119,530.50 : 105,184,584.18 = 20,931,500.26 : x
  2. Step 2: Convert to fraction form
    70,119,530.50/105,184,584.18 = 20,931,500.26/x
  3. Step 3: Cross multiply
    70,119,530.50x = 105,184,584.18 × 20,931,500.26
  4. Step 4: Simplify right side
    70,119,530.50x = 2,201,671,151,111,662.25
  5. Step 5: Solve for x
    x = 2,201,671,151,111,662.25/70,119,530.50
  6. Step 6: Final answer
    x = 31,398,829.05

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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.