Home / 155,529,971.80-233,294,957.70-130,587,674.20

Finding the Fourth Proportional to 155,529,971.80, 233,294,957.70 and 130,587,674.20

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Solution

The fourth proportional to 155,529,971.80, 233,294,957.70 and 130,587,674.20 is: 195,881,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,529,971.80 : 233,294,957.70 = 130,587,674.20 : x
  2. Step 2: Convert to fraction form
    155,529,971.80/233,294,957.70 = 130,587,674.20/x
  3. Step 3: Cross multiply
    155,529,971.80x = 233,294,957.70 × 130,587,674.20
  4. Step 4: Simplify right side
    155,529,971.80x = 30,465,445,928,630,380
  5. Step 5: Solve for x
    x = 30,465,445,928,630,380/155,529,971.80
  6. Step 6: Final answer
    x = 195,881,511.30

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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.