Home / 265,803,981.34-398,704,298.96-143,040,126.19

Finding the Fourth Proportional to 265,803,981.34, 398,704,298.96 and 143,040,126.19

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Solution

The fourth proportional to 265,803,981.34, 398,704,298.96 and 143,040,126.19 is: 214,559,288.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,803,981.34 : 398,704,298.96 = 143,040,126.19 : x
  2. Step 2: Convert to fraction form
    265,803,981.34/398,704,298.96 = 143,040,126.19/x
  3. Step 3: Cross multiply
    265,803,981.34x = 398,704,298.96 × 143,040,126.19
  4. Step 4: Simplify right side
    265,803,981.34x = 57,030,713,235,018,680
  5. Step 5: Solve for x
    x = 57,030,713,235,018,680/265,803,981.34
  6. Step 6: Final answer
    x = 214,559,288.94

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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.