Home / 262,634,004.80-393,353,810.40-165,888,123.20

Finding the Fourth Proportional to 262,634,004.80, 393,353,810.40 and 165,888,123.20

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Solution

The fourth proportional to 262,634,004.80, 393,353,810.40 and 165,888,123.20 is: 248,454,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,634,004.80 : 393,353,810.40 = 165,888,123.20 : x
  2. Step 2: Convert to fraction form
    262,634,004.80/393,353,810.40 = 165,888,123.20/x
  3. Step 3: Cross multiply
    262,634,004.80x = 393,353,810.40 × 165,888,123.20
  4. Step 4: Simplify right side
    262,634,004.80x = 65,252,725,360,824,632
  5. Step 5: Solve for x
    x = 65,252,725,360,824,632/262,634,004.80
  6. Step 6: Final answer
    x = 248,454,976.01

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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.