Home / 129,865,018.14-179,216,626.10-74,109,328.70

Finding the Fourth Proportional to 129,865,018.14, 179,216,626.10 and 74,109,328.70

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Solution

The fourth proportional to 129,865,018.14, 179,216,626.10 and 74,109,328.70 is: 102,272,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,865,018.14 : 179,216,626.10 = 74,109,328.70 : x
  2. Step 2: Convert to fraction form
    129,865,018.14/179,216,626.10 = 74,109,328.70/x
  3. Step 3: Cross multiply
    129,865,018.14x = 179,216,626.10 × 74,109,328.70
  4. Step 4: Simplify right side
    129,865,018.14x = 13,281,623,850,883,268
  5. Step 5: Solve for x
    x = 13,281,623,850,883,268/129,865,018.14
  6. Step 6: Final answer
    x = 102,272,529.13

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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.