Home / 186,626,715.40-279,940,073.10-118,546,280.20

Finding the Fourth Proportional to 186,626,715.40, 279,940,073.10 and 118,546,280.20

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Solution

The fourth proportional to 186,626,715.40, 279,940,073.10 and 118,546,280.20 is: 177,819,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,626,715.40 : 279,940,073.10 = 118,546,280.20 : x
  2. Step 2: Convert to fraction form
    186,626,715.40/279,940,073.10 = 118,546,280.20/x
  3. Step 3: Cross multiply
    186,626,715.40x = 279,940,073.10 × 118,546,280.20
  4. Step 4: Simplify right side
    186,626,715.40x = 33,185,854,344,921,088
  5. Step 5: Solve for x
    x = 33,185,854,344,921,088/186,626,715.40
  6. Step 6: Final answer
    x = 177,819,420.30

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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.