Home / 130,406,552.40-195,609,828.60-69,940,376.40

Finding the Fourth Proportional to 130,406,552.40, 195,609,828.60 and 69,940,376.40

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Solution

The fourth proportional to 130,406,552.40, 195,609,828.60 and 69,940,376.40 is: 104,910,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,406,552.40 : 195,609,828.60 = 69,940,376.40 : x
  2. Step 2: Convert to fraction form
    130,406,552.40/195,609,828.60 = 69,940,376.40/x
  3. Step 3: Cross multiply
    130,406,552.40x = 195,609,828.60 × 69,940,376.40
  4. Step 4: Simplify right side
    130,406,552.40x = 13,681,025,039,823,486
  5. Step 5: Solve for x
    x = 13,681,025,039,823,486/130,406,552.40
  6. Step 6: Final answer
    x = 104,910,564.60

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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.