Home / 291,073,109.40-436,609,664.10-118,461,072.60

Finding the Fourth Proportional to 291,073,109.40, 436,609,664.10 and 118,461,072.60

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Solution

The fourth proportional to 291,073,109.40, 436,609,664.10 and 118,461,072.60 is: 177,691,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,073,109.40 : 436,609,664.10 = 118,461,072.60 : x
  2. Step 2: Convert to fraction form
    291,073,109.40/436,609,664.10 = 118,461,072.60/x
  3. Step 3: Cross multiply
    291,073,109.40x = 436,609,664.10 × 118,461,072.60
  4. Step 4: Simplify right side
    291,073,109.40x = 51,721,249,116,811,712
  5. Step 5: Solve for x
    x = 51,721,249,116,811,712/291,073,109.40
  6. Step 6: Final answer
    x = 177,691,608.90

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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.