Home / 201,536,015.10-302,348,259.45-99,349,007.10

Finding the Fourth Proportional to 201,536,015.10, 302,348,259.45 and 99,349,007.10

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Solution

The fourth proportional to 201,536,015.10, 302,348,259.45 and 99,349,007.10 is: 149,045,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,536,015.10 : 302,348,259.45 = 99,349,007.10 : x
  2. Step 2: Convert to fraction form
    201,536,015.10/302,348,259.45 = 99,349,007.10/x
  3. Step 3: Cross multiply
    201,536,015.10x = 302,348,259.45 × 99,349,007.10
  4. Step 4: Simplify right side
    201,536,015.10x = 30,037,999,374,770,688
  5. Step 5: Solve for x
    x = 30,037,999,374,770,688/201,536,015.10
  6. Step 6: Final answer
    x = 149,045,317.58

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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.