Home / 201,705,367.30-302,516,060.55-86,693,661.70

Finding the Fourth Proportional to 201,705,367.30, 302,516,060.55 and 86,693,661.70

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Solution

The fourth proportional to 201,705,367.30, 302,516,060.55 and 86,693,661.70 is: 130,022,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,705,367.30 : 302,516,060.55 = 86,693,661.70 : x
  2. Step 2: Convert to fraction form
    201,705,367.30/302,516,060.55 = 86,693,661.70/x
  3. Step 3: Cross multiply
    201,705,367.30x = 302,516,060.55 × 86,693,661.70
  4. Step 4: Simplify right side
    201,705,367.30x = 26,226,225,012,138,416
  5. Step 5: Solve for x
    x = 26,226,225,012,138,416/201,705,367.30
  6. Step 6: Final answer
    x = 130,022,444.93

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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.