Home / 145,388,007.60-218,082,011.40-53,271,567.60

Finding the Fourth Proportional to 145,388,007.60, 218,082,011.40 and 53,271,567.60

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Solution

The fourth proportional to 145,388,007.60, 218,082,011.40 and 53,271,567.60 is: 79,907,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,388,007.60 : 218,082,011.40 = 53,271,567.60 : x
  2. Step 2: Convert to fraction form
    145,388,007.60/218,082,011.40 = 53,271,567.60/x
  3. Step 3: Cross multiply
    145,388,007.60x = 218,082,011.40 × 53,271,567.60
  4. Step 4: Simplify right side
    145,388,007.60x = 11,617,570,612,639,072
  5. Step 5: Solve for x
    x = 11,617,570,612,639,072/145,388,007.60
  6. Step 6: Final answer
    x = 79,907,351.40

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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.