Home / 315,044,756.39-434,750,370.32-173,912,947.07

Finding the Fourth Proportional to 315,044,756.39, 434,750,370.32 and 173,912,947.07

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Solution

The fourth proportional to 315,044,756.39, 434,750,370.32 and 173,912,947.07 is: 239,993,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,044,756.39 : 434,750,370.32 = 173,912,947.07 : x
  2. Step 2: Convert to fraction form
    315,044,756.39/434,750,370.32 = 173,912,947.07/x
  3. Step 3: Cross multiply
    315,044,756.39x = 434,750,370.32 × 173,912,947.07
  4. Step 4: Simplify right side
    315,044,756.39x = 75,608,718,141,255,488
  5. Step 5: Solve for x
    x = 75,608,718,141,255,488/315,044,756.39
  6. Step 6: Final answer
    x = 239,993,577.45

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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.