Home / 75,183,467.85-103,774,809.18-45,409,386.57

Finding the Fourth Proportional to 75,183,467.85, 103,774,809.18 and 45,409,386.57

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Solution

The fourth proportional to 75,183,467.85, 103,774,809.18 and 45,409,386.57 is: 62,678,013.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,183,467.85 : 103,774,809.18 = 45,409,386.57 : x
  2. Step 2: Convert to fraction form
    75,183,467.85/103,774,809.18 = 45,409,386.57/x
  3. Step 3: Cross multiply
    75,183,467.85x = 103,774,809.18 × 45,409,386.57
  4. Step 4: Simplify right side
    75,183,467.85x = 4,712,350,426,282,605
  5. Step 5: Solve for x
    x = 4,712,350,426,282,605/75,183,467.85
  6. Step 6: Final answer
    x = 62,678,013.68

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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.