Home / 268,350,005.80-402,525,008.70-203,852,751.40

Finding the Fourth Proportional to 268,350,005.80, 402,525,008.70 and 203,852,751.40

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Solution

The fourth proportional to 268,350,005.80, 402,525,008.70 and 203,852,751.40 is: 305,779,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,350,005.80 : 402,525,008.70 = 203,852,751.40 : x
  2. Step 2: Convert to fraction form
    268,350,005.80/402,525,008.70 = 203,852,751.40/x
  3. Step 3: Cross multiply
    268,350,005.80x = 402,525,008.70 × 203,852,751.40
  4. Step 4: Simplify right side
    268,350,005.80x = 82,055,830,530,803,936
  5. Step 5: Solve for x
    x = 82,055,830,530,803,936/268,350,005.80
  6. Step 6: Final answer
    x = 305,779,127.10

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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.