Home / 315,048,515.80-434,791,047.36-173,946,946.72

Finding the Fourth Proportional to 315,048,515.80, 434,791,047.36 and 173,946,946.72

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Solution

The fourth proportional to 315,048,515.80, 434,791,047.36 and 173,946,946.72 is: 240,060,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,048,515.80 : 434,791,047.36 = 173,946,946.72 : x
  2. Step 2: Convert to fraction form
    315,048,515.80/434,791,047.36 = 173,946,946.72/x
  3. Step 3: Cross multiply
    315,048,515.80x = 434,791,047.36 × 173,946,946.72
  4. Step 4: Simplify right side
    315,048,515.80x = 75,630,575,149,462,912
  5. Step 5: Solve for x
    x = 75,630,575,149,462,912/315,048,515.80
  6. Step 6: Final answer
    x = 240,060,090.29

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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.