Home / 216,839,312.64-299,241,728.91-117,719,980.83

Finding the Fourth Proportional to 216,839,312.64, 299,241,728.91 and 117,719,980.83

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Solution

The fourth proportional to 216,839,312.64, 299,241,728.91 and 117,719,980.83 is: 162,455,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,839,312.64 : 299,241,728.91 = 117,719,980.83 : x
  2. Step 2: Convert to fraction form
    216,839,312.64/299,241,728.91 = 117,719,980.83/x
  3. Step 3: Cross multiply
    216,839,312.64x = 299,241,728.91 × 117,719,980.83
  4. Step 4: Simplify right side
    216,839,312.64x = 35,226,730,590,821,260
  5. Step 5: Solve for x
    x = 35,226,730,590,821,260/216,839,312.64
  6. Step 6: Final answer
    x = 162,455,461.43

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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.