Home / 160,048,356.86-220,863,853.37-90,432,243.08

Finding the Fourth Proportional to 160,048,356.86, 220,863,853.37 and 90,432,243.08

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Solution

The fourth proportional to 160,048,356.86, 220,863,853.37 and 90,432,243.08 is: 124,794,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,048,356.86 : 220,863,853.37 = 90,432,243.08 : x
  2. Step 2: Convert to fraction form
    160,048,356.86/220,863,853.37 = 90,432,243.08/x
  3. Step 3: Cross multiply
    160,048,356.86x = 220,863,853.37 × 90,432,243.08
  4. Step 4: Simplify right side
    160,048,356.86x = 19,973,213,675,541,316
  5. Step 5: Solve for x
    x = 19,973,213,675,541,316/160,048,356.86
  6. Step 6: Final answer
    x = 124,794,868.67

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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.