Home / 105,052,492.80-157,270,809.60-74,819,404.80

Finding the Fourth Proportional to 105,052,492.80, 157,270,809.60 and 74,819,404.80

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Solution

The fourth proportional to 105,052,492.80, 157,270,809.60 and 74,819,404.80 is: 112,009,796.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,052,492.80 : 157,270,809.60 = 74,819,404.80 : x
  2. Step 2: Convert to fraction form
    105,052,492.80/157,270,809.60 = 74,819,404.80/x
  3. Step 3: Cross multiply
    105,052,492.80x = 157,270,809.60 × 74,819,404.80
  4. Step 4: Simplify right side
    105,052,492.80x = 11,766,908,366,686,126
  5. Step 5: Solve for x
    x = 11,766,908,366,686,126/105,052,492.80
  6. Step 6: Final answer
    x = 112,009,796.75

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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.