Home / 156,562,866.74-216,061,698.51-93,818,285.08

Finding the Fourth Proportional to 156,562,866.74, 216,061,698.51 and 93,818,285.08

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Solution

The fourth proportional to 156,562,866.74, 216,061,698.51 and 93,818,285.08 is: 129,472,195.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,562,866.74 : 216,061,698.51 = 93,818,285.08 : x
  2. Step 2: Convert to fraction form
    156,562,866.74/216,061,698.51 = 93,818,285.08/x
  3. Step 3: Cross multiply
    156,562,866.74x = 216,061,698.51 × 93,818,285.08
  4. Step 4: Simplify right side
    156,562,866.74x = 20,270,538,025,680,188
  5. Step 5: Solve for x
    x = 20,270,538,025,680,188/156,562,866.74
  6. Step 6: Final answer
    x = 129,472,195.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.