Home / 71,636,392.80-98,858,554.92-40,698,259.20

Finding the Fourth Proportional to 71,636,392.80, 98,858,554.92 and 40,698,259.20

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Solution

The fourth proportional to 71,636,392.80, 98,858,554.92 and 40,698,259.20 is: 56,163,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,636,392.80 : 98,858,554.92 = 40,698,259.20 : x
  2. Step 2: Convert to fraction form
    71,636,392.80/98,858,554.92 = 40,698,259.20/x
  3. Step 3: Cross multiply
    71,636,392.80x = 98,858,554.92 × 40,698,259.20
  4. Step 4: Simplify right side
    71,636,392.80x = 4,023,371,092,271,595.50
  5. Step 5: Solve for x
    x = 4,023,371,092,271,595.50/71,636,392.80
  6. Step 6: Final answer
    x = 56,163,786.80

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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.