Home / 70,590,187.20-105,885,280.80-46,403,716.80

Finding the Fourth Proportional to 70,590,187.20, 105,885,280.80 and 46,403,716.80

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Solution

The fourth proportional to 70,590,187.20, 105,885,280.80 and 46,403,716.80 is: 69,605,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,590,187.20 : 105,885,280.80 = 46,403,716.80 : x
  2. Step 2: Convert to fraction form
    70,590,187.20/105,885,280.80 = 46,403,716.80/x
  3. Step 3: Cross multiply
    70,590,187.20x = 105,885,280.80 × 46,403,716.80
  4. Step 4: Simplify right side
    70,590,187.20x = 4,913,470,583,531,677
  5. Step 5: Solve for x
    x = 4,913,470,583,531,677/70,590,187.20
  6. Step 6: Final answer
    x = 69,605,575.20

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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.