Home / 121,011,885.60-181,534,417.20-40,224,429.60

Finding the Fourth Proportional to 121,011,885.60, 181,534,417.20 and 40,224,429.60

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Solution

The fourth proportional to 121,011,885.60, 181,534,417.20 and 40,224,429.60 is: 60,342,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,011,885.60 : 181,534,417.20 = 40,224,429.60 : x
  2. Step 2: Convert to fraction form
    121,011,885.60/181,534,417.20 = 40,224,429.60/x
  3. Step 3: Cross multiply
    121,011,885.60x = 181,534,417.20 × 40,224,429.60
  4. Step 4: Simplify right side
    121,011,885.60x = 7,302,118,384,638,429
  5. Step 5: Solve for x
    x = 7,302,118,384,638,429/121,011,885.60
  6. Step 6: Final answer
    x = 60,342,158.53

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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.