Home / 145,143,400.32-217,746,954-106,688,329.92

Finding the Fourth Proportional to 145,143,400.32, 217,746,954 and 106,688,329.92

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Solution

The fourth proportional to 145,143,400.32, 217,746,954 and 106,688,329.92 is: 160,055,908.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,143,400.32 : 217,746,954 = 106,688,329.92 : x
  2. Step 2: Convert to fraction form
    145,143,400.32/217,746,954 = 106,688,329.92/x
  3. Step 3: Cross multiply
    145,143,400.32x = 217,746,954 × 106,688,329.92
  4. Step 4: Simplify right side
    145,143,400.32x = 23,231,058,867,427,064
  5. Step 5: Solve for x
    x = 23,231,058,867,427,064/145,143,400.32
  6. Step 6: Final answer
    x = 160,055,908.96

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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.