Home / 70,297,681.10-105,508,729.65-41,507,818.70

Finding the Fourth Proportional to 70,297,681.10, 105,508,729.65 and 41,507,818.70

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Solution

The fourth proportional to 70,297,681.10, 105,508,729.65 and 41,507,818.70 is: 62,298,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,297,681.10 : 105,508,729.65 = 41,507,818.70 : x
  2. Step 2: Convert to fraction form
    70,297,681.10/105,508,729.65 = 41,507,818.70/x
  3. Step 3: Cross multiply
    70,297,681.10x = 105,508,729.65 × 41,507,818.70
  4. Step 4: Simplify right side
    70,297,681.10x = 4,379,437,221,579,515
  5. Step 5: Solve for x
    x = 4,379,437,221,579,515/70,297,681.10
  6. Step 6: Final answer
    x = 62,298,459.25

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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.