Home / 148,734,840.40-205,259,064.14-82,658,123.67

Finding the Fourth Proportional to 148,734,840.40, 205,259,064.14 and 82,658,123.67

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Solution

The fourth proportional to 148,734,840.40, 205,259,064.14 and 82,658,123.67 is: 114,070,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,734,840.40 : 205,259,064.14 = 82,658,123.67 : x
  2. Step 2: Convert to fraction form
    148,734,840.40/205,259,064.14 = 82,658,123.67/x
  3. Step 3: Cross multiply
    148,734,840.40x = 205,259,064.14 × 82,658,123.67
  4. Step 4: Simplify right side
    148,734,840.40x = 16,966,329,108,072,582
  5. Step 5: Solve for x
    x = 16,966,329,108,072,582/148,734,840.40
  6. Step 6: Final answer
    x = 114,070,980.70

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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.