Home / 216,140,386.28-298,270,172.34-117,020,341.16

Finding the Fourth Proportional to 216,140,386.28, 298,270,172.34 and 117,020,341.16

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Solution

The fourth proportional to 216,140,386.28, 298,270,172.34 and 117,020,341.16 is: 161,486,142.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,140,386.28 : 298,270,172.34 = 117,020,341.16 : x
  2. Step 2: Convert to fraction form
    216,140,386.28/298,270,172.34 = 117,020,341.16/x
  3. Step 3: Cross multiply
    216,140,386.28x = 298,270,172.34 × 117,020,341.16
  4. Step 4: Simplify right side
    216,140,386.28x = 34,903,677,325,078,792
  5. Step 5: Solve for x
    x = 34,903,677,325,078,792/216,140,386.28
  6. Step 6: Final answer
    x = 161,486,142.99

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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.