Home / 170,938,401.40-256,407,602.10-153,918,292.60

Finding the Fourth Proportional to 170,938,401.40, 256,407,602.10 and 153,918,292.60

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Solution

The fourth proportional to 170,938,401.40, 256,407,602.10 and 153,918,292.60 is: 230,877,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,938,401.40 : 256,407,602.10 = 153,918,292.60 : x
  2. Step 2: Convert to fraction form
    170,938,401.40/256,407,602.10 = 153,918,292.60/x
  3. Step 3: Cross multiply
    170,938,401.40x = 256,407,602.10 × 153,918,292.60
  4. Step 4: Simplify right side
    170,938,401.40x = 39,465,820,324,892,176
  5. Step 5: Solve for x
    x = 39,465,820,324,892,176/170,938,401.40
  6. Step 6: Final answer
    x = 230,877,438.90

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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.