Home / 186,624,024.40-279,936,036.60-138,848,280.40

Finding the Fourth Proportional to 186,624,024.40, 279,936,036.60 and 138,848,280.40

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Solution

The fourth proportional to 186,624,024.40, 279,936,036.60 and 138,848,280.40 is: 208,272,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,024.40 : 279,936,036.60 = 138,848,280.40 : x
  2. Step 2: Convert to fraction form
    186,624,024.40/279,936,036.60 = 138,848,280.40/x
  3. Step 3: Cross multiply
    186,624,024.40x = 279,936,036.60 × 138,848,280.40
  4. Step 4: Simplify right side
    186,624,024.40x = 38,868,637,303,901,464
  5. Step 5: Solve for x
    x = 38,868,637,303,901,464/186,624,024.40
  6. Step 6: Final answer
    x = 208,272,420.60

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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.