Home / 310,713,243.44-428,778,191.93-169,585,477.34

Finding the Fourth Proportional to 310,713,243.44, 428,778,191.93 and 169,585,477.34

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Solution

The fourth proportional to 310,713,243.44, 428,778,191.93 and 169,585,477.34 is: 234,024,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,713,243.44 : 428,778,191.93 = 169,585,477.34 : x
  2. Step 2: Convert to fraction form
    310,713,243.44/428,778,191.93 = 169,585,477.34/x
  3. Step 3: Cross multiply
    310,713,243.44x = 428,778,191.93 × 169,585,477.34
  4. Step 4: Simplify right side
    310,713,243.44x = 72,714,554,348,439,376
  5. Step 5: Solve for x
    x = 72,714,554,348,439,376/310,713,243.44
  6. Step 6: Final answer
    x = 234,024,638.10

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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.