Home / 60,421,111.89-83,315,152.88-40,807,949.18

Finding the Fourth Proportional to 60,421,111.89, 83,315,152.88 and 40,807,949.18

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Solution

The fourth proportional to 60,421,111.89, 83,315,152.88 and 40,807,949.18 is: 56,270,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,421,111.89 : 83,315,152.88 = 40,807,949.18 : x
  2. Step 2: Convert to fraction form
    60,421,111.89/83,315,152.88 = 40,807,949.18/x
  3. Step 3: Cross multiply
    60,421,111.89x = 83,315,152.88 × 40,807,949.18
  4. Step 4: Simplify right side
    60,421,111.89x = 3,399,920,524,537,240
  5. Step 5: Solve for x
    x = 3,399,920,524,537,240/60,421,111.89
  6. Step 6: Final answer
    x = 56,270,406.45

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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.