Home / 186,625,338.10-279,938,007.15-118,097,005.30

Finding the Fourth Proportional to 186,625,338.10, 279,938,007.15 and 118,097,005.30

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Solution

The fourth proportional to 186,625,338.10, 279,938,007.15 and 118,097,005.30 is: 177,145,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,625,338.10 : 279,938,007.15 = 118,097,005.30 : x
  2. Step 2: Convert to fraction form
    186,625,338.10/279,938,007.15 = 118,097,005.30/x
  3. Step 3: Cross multiply
    186,625,338.10x = 279,938,007.15 × 118,097,005.30
  4. Step 4: Simplify right side
    186,625,338.10x = 33,059,840,314,064,984
  5. Step 5: Solve for x
    x = 33,059,840,314,064,984/186,625,338.10
  6. Step 6: Final answer
    x = 177,145,507.95

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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.