Home / 401,340,000.40-601,865,425.32-138,953,312.26

Finding the Fourth Proportional to 401,340,000.40, 601,865,425.32 and 138,953,312.26

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Solution

The fourth proportional to 401,340,000.40, 601,865,425.32 and 138,953,312.26 is: 208,379,913.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,340,000.40 : 601,865,425.32 = 138,953,312.26 : x
  2. Step 2: Convert to fraction form
    401,340,000.40/601,865,425.32 = 138,953,312.26/x
  3. Step 3: Cross multiply
    401,340,000.40x = 601,865,425.32 × 138,953,312.26
  4. Step 4: Simplify right side
    401,340,000.40x = 83,631,194,382,987,664
  5. Step 5: Solve for x
    x = 83,631,194,382,987,664/401,340,000.40
  6. Step 6: Final answer
    x = 208,379,913.04

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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.