Home / 282,186,687.20-423,280,030.80-161,030,386.40

Finding the Fourth Proportional to 282,186,687.20, 423,280,030.80 and 161,030,386.40

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Solution

The fourth proportional to 282,186,687.20, 423,280,030.80 and 161,030,386.40 is: 241,545,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,186,687.20 : 423,280,030.80 = 161,030,386.40 : x
  2. Step 2: Convert to fraction form
    282,186,687.20/423,280,030.80 = 161,030,386.40/x
  3. Step 3: Cross multiply
    282,186,687.20x = 423,280,030.80 × 161,030,386.40
  4. Step 4: Simplify right side
    282,186,687.20x = 68,160,946,915,127,904
  5. Step 5: Solve for x
    x = 68,160,946,915,127,904/282,186,687.20
  6. Step 6: Final answer
    x = 241,545,579.60

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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.