Home / 268,871,704.10-403,357,322.55-87,124,811.30

Finding the Fourth Proportional to 268,871,704.10, 403,357,322.55 and 87,124,811.30

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Solution

The fourth proportional to 268,871,704.10, 403,357,322.55 and 87,124,811.30 is: 130,703,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,871,704.10 : 403,357,322.55 = 87,124,811.30 : x
  2. Step 2: Convert to fraction form
    268,871,704.10/403,357,322.55 = 87,124,811.30/x
  3. Step 3: Cross multiply
    268,871,704.10x = 403,357,322.55 × 87,124,811.30
  4. Step 4: Simplify right side
    268,871,704.10x = 35,142,430,613,641,984
  5. Step 5: Solve for x
    x = 35,142,430,613,641,984/268,871,704.10
  6. Step 6: Final answer
    x = 130,703,343.18

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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.