Home / 268,631,032.40-402,946,548.60-86,896,581.20

Finding the Fourth Proportional to 268,631,032.40, 402,946,548.60 and 86,896,581.20

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Solution

The fourth proportional to 268,631,032.40, 402,946,548.60 and 86,896,581.20 is: 130,344,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,631,032.40 : 402,946,548.60 = 86,896,581.20 : x
  2. Step 2: Convert to fraction form
    268,631,032.40/402,946,548.60 = 86,896,581.20/x
  3. Step 3: Cross multiply
    268,631,032.40x = 402,946,548.60 × 86,896,581.20
  4. Step 4: Simplify right side
    268,631,032.40x = 35,014,677,479,679,648
  5. Step 5: Solve for x
    x = 35,014,677,479,679,648/268,631,032.40
  6. Step 6: Final answer
    x = 130,344,871.80

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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.