Home / 157,465,342.40-236,114,032.80-66,486,142.40

Finding the Fourth Proportional to 157,465,342.40, 236,114,032.80 and 66,486,142.40

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Solution

The fourth proportional to 157,465,342.40, 236,114,032.80 and 66,486,142.40 is: 99,693,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,342.40 : 236,114,032.80 = 66,486,142.40 : x
  2. Step 2: Convert to fraction form
    157,465,342.40/236,114,032.80 = 66,486,142.40/x
  3. Step 3: Cross multiply
    157,465,342.40x = 236,114,032.80 × 66,486,142.40
  4. Step 4: Simplify right side
    157,465,342.40x = 15,698,311,207,379,072
  5. Step 5: Solve for x
    x = 15,698,311,207,379,072/157,465,342.40
  6. Step 6: Final answer
    x = 99,693,754.63

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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.