Home / 201,475,099.80-302,212,649.70-157,637,122.20

Finding the Fourth Proportional to 201,475,099.80, 302,212,649.70 and 157,637,122.20

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Solution

The fourth proportional to 201,475,099.80, 302,212,649.70 and 157,637,122.20 is: 236,455,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,475,099.80 : 302,212,649.70 = 157,637,122.20 : x
  2. Step 2: Convert to fraction form
    201,475,099.80/302,212,649.70 = 157,637,122.20/x
  3. Step 3: Cross multiply
    201,475,099.80x = 302,212,649.70 × 157,637,122.20
  4. Step 4: Simplify right side
    201,475,099.80x = 47,639,932,391,144,688
  5. Step 5: Solve for x
    x = 47,639,932,391,144,688/201,475,099.80
  6. Step 6: Final answer
    x = 236,455,683.30

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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.