Home / 291,084,006.60-436,626,009.90-145,540,031.40

Finding the Fourth Proportional to 291,084,006.60, 436,626,009.90 and 145,540,031.40

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Solution

The fourth proportional to 291,084,006.60, 436,626,009.90 and 145,540,031.40 is: 218,310,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,084,006.60 : 436,626,009.90 = 145,540,031.40 : x
  2. Step 2: Convert to fraction form
    291,084,006.60/436,626,009.90 = 145,540,031.40/x
  3. Step 3: Cross multiply
    291,084,006.60x = 436,626,009.90 × 145,540,031.40
  4. Step 4: Simplify right side
    291,084,006.60x = 63,546,563,190,902,712
  5. Step 5: Solve for x
    x = 63,546,563,190,902,712/291,084,006.60
  6. Step 6: Final answer
    x = 218,310,047.10

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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.