Home / 201,705,612.30-302,516,428.05-86,693,906.70

Finding the Fourth Proportional to 201,705,612.30, 302,516,428.05 and 86,693,906.70

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Solution

The fourth proportional to 201,705,612.30, 302,516,428.05 and 86,693,906.70 is: 130,022,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,705,612.30 : 302,516,428.05 = 86,693,906.70 : x
  2. Step 2: Convert to fraction form
    201,705,612.30/302,516,428.05 = 86,693,906.70/x
  3. Step 3: Cross multiply
    201,705,612.30x = 302,516,428.05 × 86,693,906.70
  4. Step 4: Simplify right side
    201,705,612.30x = 26,226,330,988,583,964
  5. Step 5: Solve for x
    x = 26,226,330,988,583,964/201,705,612.30
  6. Step 6: Final answer
    x = 130,022,812.40

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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.