Home / 68,570,875.04-94,621,552.96-40,688,780

Finding the Fourth Proportional to 68,570,875.04, 94,621,552.96 and 40,688,780

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Solution

The fourth proportional to 68,570,875.04, 94,621,552.96 and 40,688,780 is: 56,146,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,570,875.04 : 94,621,552.96 = 40,688,780 : x
  2. Step 2: Convert to fraction form
    68,570,875.04/94,621,552.96 = 40,688,780/x
  3. Step 3: Cross multiply
    68,570,875.04x = 94,621,552.96 × 40,688,780
  4. Step 4: Simplify right side
    68,570,875.04x = 3,850,035,551,647,788.50
  5. Step 5: Solve for x
    x = 3,850,035,551,647,788.50/68,570,875.04
  6. Step 6: Final answer
    x = 56,146,805.03

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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.