Home / 130,411,221.60-195,616,832.40-79,392,885.60

Finding the Fourth Proportional to 130,411,221.60, 195,616,832.40 and 79,392,885.60

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Solution

The fourth proportional to 130,411,221.60, 195,616,832.40 and 79,392,885.60 is: 119,089,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,411,221.60 : 195,616,832.40 = 79,392,885.60 : x
  2. Step 2: Convert to fraction form
    130,411,221.60/195,616,832.40 = 79,392,885.60/x
  3. Step 3: Cross multiply
    130,411,221.60x = 195,616,832.40 × 79,392,885.60
  4. Step 4: Simplify right side
    130,411,221.60x = 15,530,584,796,167,572
  5. Step 5: Solve for x
    x = 15,530,584,796,167,572/130,411,221.60
  6. Step 6: Final answer
    x = 119,089,328.40

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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.