Home / 156,616,946.70-234,925,420.05-54,370,322.70

Finding the Fourth Proportional to 156,616,946.70, 234,925,420.05 and 54,370,322.70

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Solution

The fourth proportional to 156,616,946.70, 234,925,420.05 and 54,370,322.70 is: 81,555,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,616,946.70 : 234,925,420.05 = 54,370,322.70 : x
  2. Step 2: Convert to fraction form
    156,616,946.70/234,925,420.05 = 54,370,322.70/x
  3. Step 3: Cross multiply
    156,616,946.70x = 234,925,420.05 × 54,370,322.70
  4. Step 4: Simplify right side
    156,616,946.70x = 12,772,970,898,551,552
  5. Step 5: Solve for x
    x = 12,772,970,898,551,552/156,616,946.70
  6. Step 6: Final answer
    x = 81,555,484.05

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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.