Home / 290,070,448.98-434,843,191.32-105,794,721.60

Finding the Fourth Proportional to 290,070,448.98, 434,843,191.32 and 105,794,721.60

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Solution

The fourth proportional to 290,070,448.98, 434,843,191.32 and 105,794,721.60 is: 158,596,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,070,448.98 : 434,843,191.32 = 105,794,721.60 : x
  2. Step 2: Convert to fraction form
    290,070,448.98/434,843,191.32 = 105,794,721.60/x
  3. Step 3: Cross multiply
    290,070,448.98x = 434,843,191.32 × 105,794,721.60
  4. Step 4: Simplify right side
    290,070,448.98x = 46,004,114,365,354,936
  5. Step 5: Solve for x
    x = 46,004,114,365,354,936/290,070,448.98
  6. Step 6: Final answer
    x = 158,596,349.70

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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.