Home / 157,042,455.06-216,714,364.06-87,427,834.50

Finding the Fourth Proportional to 157,042,455.06, 216,714,364.06 and 87,427,834.50

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Solution

The fourth proportional to 157,042,455.06, 216,714,364.06 and 87,427,834.50 is: 120,648,060.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,042,455.06 : 216,714,364.06 = 87,427,834.50 : x
  2. Step 2: Convert to fraction form
    157,042,455.06/216,714,364.06 = 87,427,834.50/x
  3. Step 3: Cross multiply
    157,042,455.06x = 216,714,364.06 × 87,427,834.50
  4. Step 4: Simplify right side
    157,042,455.06x = 18,946,867,554,810,428
  5. Step 5: Solve for x
    x = 18,946,867,554,810,428/157,042,455.06
  6. Step 6: Final answer
    x = 120,648,060.09

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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.