Home / 109,411,653.60-164,117,480.40-83,902,485.60

Finding the Fourth Proportional to 109,411,653.60, 164,117,480.40 and 83,902,485.60

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Solution

The fourth proportional to 109,411,653.60, 164,117,480.40 and 83,902,485.60 is: 125,853,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,411,653.60 : 164,117,480.40 = 83,902,485.60 : x
  2. Step 2: Convert to fraction form
    109,411,653.60/164,117,480.40 = 83,902,485.60/x
  3. Step 3: Cross multiply
    109,411,653.60x = 164,117,480.40 × 83,902,485.60
  4. Step 4: Simplify right side
    109,411,653.60x = 13,769,864,535,969,282
  5. Step 5: Solve for x
    x = 13,769,864,535,969,282/109,411,653.60
  6. Step 6: Final answer
    x = 125,853,728.40

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1.5x scale

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.