Home / 156,763,094.10-216,338,618.23-86,204,088.06

Finding the Fourth Proportional to 156,763,094.10, 216,338,618.23 and 86,204,088.06

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Solution

The fourth proportional to 156,763,094.10, 216,338,618.23 and 86,204,088.06 is: 118,964,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,763,094.10 : 216,338,618.23 = 86,204,088.06 : x
  2. Step 2: Convert to fraction form
    156,763,094.10/216,338,618.23 = 86,204,088.06/x
  3. Step 3: Cross multiply
    156,763,094.10x = 216,338,618.23 × 86,204,088.06
  4. Step 4: Simplify right side
    156,763,094.10x = 18,649,273,296,677,640
  5. Step 5: Solve for x
    x = 18,649,273,296,677,640/156,763,094.10
  6. Step 6: Final answer
    x = 118,964,692.57

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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.