Home / 190,086,809.60-285,059,355.60-75,047,547.80

Finding the Fourth Proportional to 190,086,809.60, 285,059,355.60 and 75,047,547.80

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Solution

The fourth proportional to 190,086,809.60, 285,059,355.60 and 75,047,547.80 is: 112,543,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,086,809.60 : 285,059,355.60 = 75,047,547.80 : x
  2. Step 2: Convert to fraction form
    190,086,809.60/285,059,355.60 = 75,047,547.80/x
  3. Step 3: Cross multiply
    190,086,809.60x = 285,059,355.60 × 75,047,547.80
  4. Step 4: Simplify right side
    190,086,809.60x = 21,393,005,615,228,200
  5. Step 5: Solve for x
    x = 21,393,005,615,228,200/190,086,809.60
  6. Step 6: Final answer
    x = 112,543,346.17

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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.