Home / 148,908,126.40-223,362,189.60-72,380,622.40

Finding the Fourth Proportional to 148,908,126.40, 223,362,189.60 and 72,380,622.40

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Solution

The fourth proportional to 148,908,126.40, 223,362,189.60 and 72,380,622.40 is: 108,570,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,908,126.40 : 223,362,189.60 = 72,380,622.40 : x
  2. Step 2: Convert to fraction form
    148,908,126.40/223,362,189.60 = 72,380,622.40/x
  3. Step 3: Cross multiply
    148,908,126.40x = 223,362,189.60 × 72,380,622.40
  4. Step 4: Simplify right side
    148,908,126.40x = 16,167,094,303,874,808
  5. Step 5: Solve for x
    x = 16,167,094,303,874,808/148,908,126.40
  6. Step 6: Final answer
    x = 108,570,933.60

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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.