Home / 265,888,126.18-399,533,603.91-143,157,185.38

Finding the Fourth Proportional to 265,888,126.18, 399,533,603.91 and 143,157,185.38

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Solution

The fourth proportional to 265,888,126.18, 399,533,603.91 and 143,157,185.38 is: 215,113,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,888,126.18 : 399,533,603.91 = 143,157,185.38 : x
  2. Step 2: Convert to fraction form
    265,888,126.18/399,533,603.91 = 143,157,185.38/x
  3. Step 3: Cross multiply
    265,888,126.18x = 399,533,603.91 × 143,157,185.38
  4. Step 4: Simplify right side
    265,888,126.18x = 57,196,106,200,483,368
  5. Step 5: Solve for x
    x = 57,196,106,200,483,368/265,888,126.18
  6. Step 6: Final answer
    x = 215,113,427.67

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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.