Home / 157,465,396.40-236,114,113.80-66,486,196.40

Finding the Fourth Proportional to 157,465,396.40, 236,114,113.80 and 66,486,196.40

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Solution

The fourth proportional to 157,465,396.40, 236,114,113.80 and 66,486,196.40 is: 99,693,835.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,396.40 : 236,114,113.80 = 66,486,196.40 : x
  2. Step 2: Convert to fraction form
    157,465,396.40/236,114,113.80 = 66,486,196.40/x
  3. Step 3: Cross multiply
    157,465,396.40x = 236,114,113.80 × 66,486,196.40
  4. Step 4: Simplify right side
    157,465,396.40x = 15,698,329,342,918,750
  5. Step 5: Solve for x
    x = 15,698,329,342,918,750/157,465,396.40
  6. Step 6: Final answer
    x = 99,693,835.61

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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.