Home / 81,164,881.12-112,003,306.32-46,350,770.08

Finding the Fourth Proportional to 81,164,881.12, 112,003,306.32 and 46,350,770.08

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Solution

The fourth proportional to 81,164,881.12, 112,003,306.32 and 46,350,770.08 is: 63,961,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,164,881.12 : 112,003,306.32 = 46,350,770.08 : x
  2. Step 2: Convert to fraction form
    81,164,881.12/112,003,306.32 = 46,350,770.08/x
  3. Step 3: Cross multiply
    81,164,881.12x = 112,003,306.32 × 46,350,770.08
  4. Step 4: Simplify right side
    81,164,881.12x = 5,191,439,499,438,130
  5. Step 5: Solve for x
    x = 5,191,439,499,438,130/81,164,881.12
  6. Step 6: Final answer
    x = 63,961,647.30

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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.