Home / 203,039,066,980.98-280,200,632,070.08-111,590,859,230.21

Finding the Fourth Proportional to 203,039,066,980.98, 280,200,632,070.08 and 111,590,859,230.21

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Solution

The fourth proportional to 203,039,066,980.98, 280,200,632,070.08 and 111,590,859,230.21 is: 153,999,078,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,039,066,980.98 : 280,200,632,070.08 = 111,590,859,230.21 : x
  2. Step 2: Convert to fraction form
    203,039,066,980.98/280,200,632,070.08 = 111,590,859,230.21/x
  3. Step 3: Cross multiply
    203,039,066,980.98x = 280,200,632,070.08 × 111,590,859,230.21
  4. Step 4: Simplify right side
    203,039,066,980.98x = 31,267,829,289,548,165,152,768
  5. Step 5: Solve for x
    x = 31,267,829,289,548,165,152,768/203,039,066,980.98
  6. Step 6: Final answer
    x = 153,999,078,869.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.