Home / 289,931,258.55-400,105,202.05-159,551,066.55

Finding the Fourth Proportional to 289,931,258.55, 400,105,202.05 and 159,551,066.55

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Solution

The fourth proportional to 289,931,258.55, 400,105,202.05 and 159,551,066.55 is: 220,180,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,931,258.55 : 400,105,202.05 = 159,551,066.55 : x
  2. Step 2: Convert to fraction form
    289,931,258.55/400,105,202.05 = 159,551,066.55/x
  3. Step 3: Cross multiply
    289,931,258.55x = 400,105,202.05 × 159,551,066.55
  4. Step 4: Simplify right side
    289,931,258.55x = 63,837,211,718,483,000
  5. Step 5: Solve for x
    x = 63,837,211,718,483,000/289,931,258.55
  6. Step 6: Final answer
    x = 220,180,507.74

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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.