Home / 188,440,002.14-259,871,756.54-122,289,769.40

Finding the Fourth Proportional to 188,440,002.14, 259,871,756.54 and 122,289,769.40

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Solution

The fourth proportional to 188,440,002.14, 259,871,756.54 and 122,289,769.40 is: 168,646,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,440,002.14 : 259,871,756.54 = 122,289,769.40 : x
  2. Step 2: Convert to fraction form
    188,440,002.14/259,871,756.54 = 122,289,769.40/x
  3. Step 3: Cross multiply
    188,440,002.14x = 259,871,756.54 × 122,289,769.40
  4. Step 4: Simplify right side
    188,440,002.14x = 31,779,657,178,938,732
  5. Step 5: Solve for x
    x = 31,779,657,178,938,732/188,440,002.14
  6. Step 6: Final answer
    x = 168,646,024.30

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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.