Home / 315,045,120.02-434,750,868.92-173,913,309.18

Finding the Fourth Proportional to 315,045,120.02, 434,750,868.92 and 173,913,309.18

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Solution

The fourth proportional to 315,045,120.02, 434,750,868.92 and 173,913,309.18 is: 239,994,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,045,120.02 : 434,750,868.92 = 173,913,309.18 : x
  2. Step 2: Convert to fraction form
    315,045,120.02/434,750,868.92 = 173,913,309.18/x
  3. Step 3: Cross multiply
    315,045,120.02x = 434,750,868.92 × 173,913,309.18
  4. Step 4: Simplify right side
    315,045,120.02x = 75,608,962,281,888,048
  5. Step 5: Solve for x
    x = 75,608,962,281,888,048/315,045,120.02
  6. Step 6: Final answer
    x = 239,994,075.38

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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.