Home / 74,010,810.41-102,136,127.55-40,519,730.74

Finding the Fourth Proportional to 74,010,810.41, 102,136,127.55 and 40,519,730.74

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Solution

The fourth proportional to 74,010,810.41, 102,136,127.55 and 40,519,730.74 is: 55,917,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,010,810.41 : 102,136,127.55 = 40,519,730.74 : x
  2. Step 2: Convert to fraction form
    74,010,810.41/102,136,127.55 = 40,519,730.74/x
  3. Step 3: Cross multiply
    74,010,810.41x = 102,136,127.55 × 40,519,730.74
  4. Step 4: Simplify right side
    74,010,810.41x = 4,138,528,387,152,296
  5. Step 5: Solve for x
    x = 4,138,528,387,152,296/74,010,810.41
  6. Step 6: Final answer
    x = 55,917,890.43

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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.