Home / 157,465,394.40-236,114,110.80-66,486,194.40

Finding the Fourth Proportional to 157,465,394.40, 236,114,110.80 and 66,486,194.40

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Solution

The fourth proportional to 157,465,394.40, 236,114,110.80 and 66,486,194.40 is: 99,693,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,394.40 : 236,114,110.80 = 66,486,194.40 : x
  2. Step 2: Convert to fraction form
    157,465,394.40/236,114,110.80 = 66,486,194.40/x
  3. Step 3: Cross multiply
    157,465,394.40x = 236,114,110.80 × 66,486,194.40
  4. Step 4: Simplify right side
    157,465,394.40x = 15,698,328,671,231,940
  5. Step 5: Solve for x
    x = 15,698,328,671,231,940/157,465,394.40
  6. Step 6: Final answer
    x = 99,693,832.61

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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.