Home / 290,403,225.80-435,604,838.70-108,626,784.20

Finding the Fourth Proportional to 290,403,225.80, 435,604,838.70 and 108,626,784.20

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Solution

The fourth proportional to 290,403,225.80, 435,604,838.70 and 108,626,784.20 is: 162,940,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,403,225.80 : 435,604,838.70 = 108,626,784.20 : x
  2. Step 2: Convert to fraction form
    290,403,225.80/435,604,838.70 = 108,626,784.20/x
  3. Step 3: Cross multiply
    290,403,225.80x = 435,604,838.70 × 108,626,784.20
  4. Step 4: Simplify right side
    290,403,225.80x = 47,318,352,809,940,712
  5. Step 5: Solve for x
    x = 47,318,352,809,940,712/290,403,225.80
  6. Step 6: Final answer
    x = 162,940,176.30

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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.