Home / 75,183,468.10-103,774,809.51-45,409,386.82

Finding the Fourth Proportional to 75,183,468.10, 103,774,809.51 and 45,409,386.82

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Solution

The fourth proportional to 75,183,468.10, 103,774,809.51 and 45,409,386.82 is: 62,678,014.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,183,468.10 : 103,774,809.51 = 45,409,386.82 : x
  2. Step 2: Convert to fraction form
    75,183,468.10/103,774,809.51 = 45,409,386.82/x
  3. Step 3: Cross multiply
    75,183,468.10x = 103,774,809.51 × 45,409,386.82
  4. Step 4: Simplify right side
    75,183,468.10x = 4,712,350,467,211,405
  5. Step 5: Solve for x
    x = 4,712,350,467,211,405/75,183,468.10
  6. Step 6: Final answer
    x = 62,678,014.01

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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.