Home / 282,186,688.20-423,280,032.30-161,030,387.40

Finding the Fourth Proportional to 282,186,688.20, 423,280,032.30 and 161,030,387.40

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Solution

The fourth proportional to 282,186,688.20, 423,280,032.30 and 161,030,387.40 is: 241,545,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,186,688.20 : 423,280,032.30 = 161,030,387.40 : x
  2. Step 2: Convert to fraction form
    282,186,688.20/423,280,032.30 = 161,030,387.40/x
  3. Step 3: Cross multiply
    282,186,688.20x = 423,280,032.30 × 161,030,387.40
  4. Step 4: Simplify right side
    282,186,688.20x = 68,160,947,579,953,520
  5. Step 5: Solve for x
    x = 68,160,947,579,953,520/282,186,688.20
  6. Step 6: Final answer
    x = 241,545,581.10

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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.