Home / 119,572,447.86-164,989,996.20-66,637,594.35

Finding the Fourth Proportional to 119,572,447.86, 164,989,996.20 and 66,637,594.35

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Solution

The fourth proportional to 119,572,447.86, 164,989,996.20 and 66,637,594.35 is: 91,948,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,572,447.86 : 164,989,996.20 = 66,637,594.35 : x
  2. Step 2: Convert to fraction form
    119,572,447.86/164,989,996.20 = 66,637,594.35/x
  3. Step 3: Cross multiply
    119,572,447.86x = 164,989,996.20 × 66,637,594.35
  4. Step 4: Simplify right side
    119,572,447.86x = 10,994,536,438,583,640
  5. Step 5: Solve for x
    x = 10,994,536,438,583,640/119,572,447.86
  6. Step 6: Final answer
    x = 91,948,744.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.