Home / 157,464,553.40-236,196,830.10-138,970,406.60

Finding the Fourth Proportional to 157,464,553.40, 236,196,830.10 and 138,970,406.60

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Solution

The fourth proportional to 157,464,553.40, 236,196,830.10 and 138,970,406.60 is: 208,455,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,553.40 : 236,196,830.10 = 138,970,406.60 : x
  2. Step 2: Convert to fraction form
    157,464,553.40/236,196,830.10 = 138,970,406.60/x
  3. Step 3: Cross multiply
    157,464,553.40x = 236,196,830.10 × 138,970,406.60
  4. Step 4: Simplify right side
    157,464,553.40x = 32,824,369,516,628,116
  5. Step 5: Solve for x
    x = 32,824,369,516,628,116/157,464,553.40
  6. Step 6: Final answer
    x = 208,455,609.90

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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.