Home / 70,119,535.48-105,184,591.68-20,931,505.24

Finding the Fourth Proportional to 70,119,535.48, 105,184,591.68 and 20,931,505.24

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Solution

The fourth proportional to 70,119,535.48, 105,184,591.68 and 20,931,505.24 is: 31,398,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,119,535.48 : 105,184,591.68 = 20,931,505.24 : x
  2. Step 2: Convert to fraction form
    70,119,535.48/105,184,591.68 = 20,931,505.24/x
  3. Step 3: Cross multiply
    70,119,535.48x = 105,184,591.68 × 20,931,505.24
  4. Step 4: Simplify right side
    70,119,535.48x = 2,201,671,831,917,180.50
  5. Step 5: Solve for x
    x = 2,201,671,831,917,180.50/70,119,535.48
  6. Step 6: Final answer
    x = 31,398,836.53

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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.