Home / 157,464,140.70-236,196,211.05-145,985,015.10

Finding the Fourth Proportional to 157,464,140.70, 236,196,211.05 and 145,985,015.10

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Solution

The fourth proportional to 157,464,140.70, 236,196,211.05 and 145,985,015.10 is: 218,977,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,140.70 : 236,196,211.05 = 145,985,015.10 : x
  2. Step 2: Convert to fraction form
    157,464,140.70/236,196,211.05 = 145,985,015.10/x
  3. Step 3: Cross multiply
    157,464,140.70x = 236,196,211.05 × 145,985,015.10
  4. Step 4: Simplify right side
    157,464,140.70x = 34,481,107,436,697,036
  5. Step 5: Solve for x
    x = 34,481,107,436,697,036/157,464,140.70
  6. Step 6: Final answer
    x = 218,977,522.65

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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.