Home / 97,119,120.80-145,655,353.20-56,089,834.40

Finding the Fourth Proportional to 97,119,120.80, 145,655,353.20 and 56,089,834.40

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Solution

The fourth proportional to 97,119,120.80, 145,655,353.20 and 56,089,834.40 is: 84,121,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,119,120.80 : 145,655,353.20 = 56,089,834.40 : x
  2. Step 2: Convert to fraction form
    97,119,120.80/145,655,353.20 = 56,089,834.40/x
  3. Step 3: Cross multiply
    97,119,120.80x = 145,655,353.20 × 56,089,834.40
  4. Step 4: Simplify right side
    97,119,120.80x = 8,169,784,640,461,509
  5. Step 5: Solve for x
    x = 8,169,784,640,461,509/97,119,120.80
  6. Step 6: Final answer
    x = 84,121,278.83

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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.