Home / 147,622,851.60-221,434,277.40-139,119,795.60

Finding the Fourth Proportional to 147,622,851.60, 221,434,277.40 and 139,119,795.60

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Solution

The fourth proportional to 147,622,851.60, 221,434,277.40 and 139,119,795.60 is: 208,679,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,851.60 : 221,434,277.40 = 139,119,795.60 : x
  2. Step 2: Convert to fraction form
    147,622,851.60/221,434,277.40 = 139,119,795.60/x
  3. Step 3: Cross multiply
    147,622,851.60x = 221,434,277.40 × 139,119,795.60
  4. Step 4: Simplify right side
    147,622,851.60x = 30,805,891,410,721,700
  5. Step 5: Solve for x
    x = 30,805,891,410,721,700/147,622,851.60
  6. Step 6: Final answer
    x = 208,679,693.40

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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.