Home / 205,973,339.20-308,960,008.80-62,373,313.60

Finding the Fourth Proportional to 205,973,339.20, 308,960,008.80 and 62,373,313.60

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Solution

The fourth proportional to 205,973,339.20, 308,960,008.80 and 62,373,313.60 is: 93,559,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,973,339.20 : 308,960,008.80 = 62,373,313.60 : x
  2. Step 2: Convert to fraction form
    205,973,339.20/308,960,008.80 = 62,373,313.60/x
  3. Step 3: Cross multiply
    205,973,339.20x = 308,960,008.80 × 62,373,313.60
  4. Step 4: Simplify right side
    205,973,339.20x = 19,270,859,518,741,160
  5. Step 5: Solve for x
    x = 19,270,859,518,741,160/205,973,339.20
  6. Step 6: Final answer
    x = 93,559,970.40

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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.