Home / 156,168,045.60-234,252,068.40-79,640,541.60

Finding the Fourth Proportional to 156,168,045.60, 234,252,068.40 and 79,640,541.60

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Solution

The fourth proportional to 156,168,045.60, 234,252,068.40 and 79,640,541.60 is: 119,460,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,168,045.60 : 234,252,068.40 = 79,640,541.60 : x
  2. Step 2: Convert to fraction form
    156,168,045.60/234,252,068.40 = 79,640,541.60/x
  3. Step 3: Cross multiply
    156,168,045.60x = 234,252,068.40 × 79,640,541.60
  4. Step 4: Simplify right side
    156,168,045.60x = 18,655,961,598,296,244
  5. Step 5: Solve for x
    x = 18,655,961,598,296,244/156,168,045.60
  6. Step 6: Final answer
    x = 119,460,812.40

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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.