Home / 216,210,411.16-298,368,776.12-117,088,859.10

Finding the Fourth Proportional to 216,210,411.16, 298,368,776.12 and 117,088,859.10

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Solution

The fourth proportional to 216,210,411.16, 298,368,776.12 and 117,088,859.10 is: 161,581,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,210,411.16 : 298,368,776.12 = 117,088,859.10 : x
  2. Step 2: Convert to fraction form
    216,210,411.16/298,368,776.12 = 117,088,859.10/x
  3. Step 3: Cross multiply
    216,210,411.16x = 298,368,776.12 × 117,088,859.10
  4. Step 4: Simplify right side
    216,210,411.16x = 34,935,659,586,954,124
  5. Step 5: Solve for x
    x = 34,935,659,586,954,124/216,210,411.16
  6. Step 6: Final answer
    x = 161,581,763.80

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1.5x scale

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.