Home / 75,183,467.10-103,774,808.13-45,409,385.82

Finding the Fourth Proportional to 75,183,467.10, 103,774,808.13 and 45,409,385.82

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Solution

The fourth proportional to 75,183,467.10, 103,774,808.13 and 45,409,385.82 is: 62,678,012.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,183,467.10 : 103,774,808.13 = 45,409,385.82 : x
  2. Step 2: Convert to fraction form
    75,183,467.10/103,774,808.13 = 45,409,385.82/x
  3. Step 3: Cross multiply
    75,183,467.10x = 103,774,808.13 × 45,409,385.82
  4. Step 4: Simplify right side
    75,183,467.10x = 4,712,350,300,771,643
  5. Step 5: Solve for x
    x = 4,712,350,300,771,643/75,183,467.10
  6. Step 6: Final answer
    x = 62,678,012.63

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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.