Home / 245,920,825.76-339,527,256.72-153,237,495.20

Finding the Fourth Proportional to 245,920,825.76, 339,527,256.72 and 153,237,495.20

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Solution

The fourth proportional to 245,920,825.76, 339,527,256.72 and 153,237,495.20 is: 211,565,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,920,825.76 : 339,527,256.72 = 153,237,495.20 : x
  2. Step 2: Convert to fraction form
    245,920,825.76/339,527,256.72 = 153,237,495.20/x
  3. Step 3: Cross multiply
    245,920,825.76x = 339,527,256.72 × 153,237,495.20
  4. Step 4: Simplify right side
    245,920,825.76x = 52,028,306,371,900,168
  5. Step 5: Solve for x
    x = 52,028,306,371,900,168/245,920,825.76
  6. Step 6: Final answer
    x = 211,565,271.92

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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.