Home / 278,048,810.40-416,947,244.40-105,468,266.40

Finding the Fourth Proportional to 278,048,810.40, 416,947,244.40 and 105,468,266.40

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Solution

The fourth proportional to 278,048,810.40, 416,947,244.40 and 105,468,266.40 is: 158,154,616.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,048,810.40 : 416,947,244.40 = 105,468,266.40 : x
  2. Step 2: Convert to fraction form
    278,048,810.40/416,947,244.40 = 105,468,266.40/x
  3. Step 3: Cross multiply
    278,048,810.40x = 416,947,244.40 × 105,468,266.40
  4. Step 4: Simplify right side
    278,048,810.40x = 43,974,703,047,125,112
  5. Step 5: Solve for x
    x = 43,974,703,047,125,112/278,048,810.40
  6. Step 6: Final answer
    x = 158,154,616.75

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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.