Home / 156,616,947.70-234,925,421.55-54,370,323.70

Finding the Fourth Proportional to 156,616,947.70, 234,925,421.55 and 54,370,323.70

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Solution

The fourth proportional to 156,616,947.70, 234,925,421.55 and 54,370,323.70 is: 81,555,485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,616,947.70 : 234,925,421.55 = 54,370,323.70 : x
  2. Step 2: Convert to fraction form
    156,616,947.70/234,925,421.55 = 54,370,323.70/x
  3. Step 3: Cross multiply
    156,616,947.70x = 234,925,421.55 × 54,370,323.70
  4. Step 4: Simplify right side
    156,616,947.70x = 12,772,971,215,032,458
  5. Step 5: Solve for x
    x = 12,772,971,215,032,458/156,616,947.70
  6. Step 6: Final answer
    x = 81,555,485.55

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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.