Home / 81,470,484.96-112,401,755.52-46,184,506.80

Finding the Fourth Proportional to 81,470,484.96, 112,401,755.52 and 46,184,506.80

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Solution

The fourth proportional to 81,470,484.96, 112,401,755.52 and 46,184,506.80 is: 63,719,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,470,484.96 : 112,401,755.52 = 46,184,506.80 : x
  2. Step 2: Convert to fraction form
    81,470,484.96/112,401,755.52 = 46,184,506.80/x
  3. Step 3: Cross multiply
    81,470,484.96x = 112,401,755.52 × 46,184,506.80
  4. Step 4: Simplify right side
    81,470,484.96x = 5,191,219,642,145,377
  5. Step 5: Solve for x
    x = 5,191,219,642,145,377/81,470,484.96
  6. Step 6: Final answer
    x = 63,719,022.23

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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.