Home / 218,700,528.60-328,098,032.10-65,362,085.40

Finding the Fourth Proportional to 218,700,528.60, 328,098,032.10 and 65,362,085.40

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Solution

The fourth proportional to 218,700,528.60, 328,098,032.10 and 65,362,085.40 is: 98,057,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,700,528.60 : 328,098,032.10 = 65,362,085.40 : x
  2. Step 2: Convert to fraction form
    218,700,528.60/328,098,032.10 = 65,362,085.40/x
  3. Step 3: Cross multiply
    218,700,528.60x = 328,098,032.10 × 65,362,085.40
  4. Step 4: Simplify right side
    218,700,528.60x = 21,445,171,593,692,144
  5. Step 5: Solve for x
    x = 21,445,171,593,692,144/218,700,528.60
  6. Step 6: Final answer
    x = 98,057,246.28

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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.