Home / 191,109,368.40-286,664,052.60-104,814,430.80

Finding the Fourth Proportional to 191,109,368.40, 286,664,052.60 and 104,814,430.80

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Solution

The fourth proportional to 191,109,368.40, 286,664,052.60 and 104,814,430.80 is: 157,221,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,109,368.40 : 286,664,052.60 = 104,814,430.80 : x
  2. Step 2: Convert to fraction form
    191,109,368.40/286,664,052.60 = 104,814,430.80/x
  3. Step 3: Cross multiply
    191,109,368.40x = 286,664,052.60 × 104,814,430.80
  4. Step 4: Simplify right side
    191,109,368.40x = 30,046,529,504,090,260
  5. Step 5: Solve for x
    x = 30,046,529,504,090,260/191,109,368.40
  6. Step 6: Final answer
    x = 157,221,646.20

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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.