Home / 268,307,263.82-402,461,036.10-84,089,087.57

Finding the Fourth Proportional to 268,307,263.82, 402,461,036.10 and 84,089,087.57

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Solution

The fourth proportional to 268,307,263.82, 402,461,036.10 and 84,089,087.57 is: 126,133,675.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,307,263.82 : 402,461,036.10 = 84,089,087.57 : x
  2. Step 2: Convert to fraction form
    268,307,263.82/402,461,036.10 = 84,089,087.57/x
  3. Step 3: Cross multiply
    268,307,263.82x = 402,461,036.10 × 84,089,087.57
  4. Step 4: Simplify right side
    268,307,263.82x = 33,842,581,306,113,528
  5. Step 5: Solve for x
    x = 33,842,581,306,113,528/268,307,263.82
  6. Step 6: Final answer
    x = 126,133,675.34

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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.