Home / 68,241,607.65-102,362,411.48-45,283,356.45

Finding the Fourth Proportional to 68,241,607.65, 102,362,411.48 and 45,283,356.45

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Solution

The fourth proportional to 68,241,607.65, 102,362,411.48 and 45,283,356.45 is: 67,925,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,241,607.65 : 102,362,411.48 = 45,283,356.45 : x
  2. Step 2: Convert to fraction form
    68,241,607.65/102,362,411.48 = 45,283,356.45/x
  3. Step 3: Cross multiply
    68,241,607.65x = 102,362,411.48 × 45,283,356.45
  4. Step 4: Simplify right side
    68,241,607.65x = 4,635,313,565,903,995
  5. Step 5: Solve for x
    x = 4,635,313,565,903,995/68,241,607.65
  6. Step 6: Final answer
    x = 67,925,034.68

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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.