Home / 290,724,798.84-435,842,071.09-126,842,352.96

Finding the Fourth Proportional to 290,724,798.84, 435,842,071.09 and 126,842,352.96

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Solution

The fourth proportional to 290,724,798.84, 435,842,071.09 and 126,842,352.96 is: 190,156,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,724,798.84 : 435,842,071.09 = 126,842,352.96 : x
  2. Step 2: Convert to fraction form
    290,724,798.84/435,842,071.09 = 126,842,352.96/x
  3. Step 3: Cross multiply
    290,724,798.84x = 435,842,071.09 × 126,842,352.96
  4. Step 4: Simplify right side
    290,724,798.84x = 55,283,233,816,015,184
  5. Step 5: Solve for x
    x = 55,283,233,816,015,184/290,724,798.84
  6. Step 6: Final answer
    x = 190,156,581.19

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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.