Home / 82,166,495.40-123,249,743.10-58,278,623.40

Finding the Fourth Proportional to 82,166,495.40, 123,249,743.10 and 58,278,623.40

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Solution

The fourth proportional to 82,166,495.40, 123,249,743.10 and 58,278,623.40 is: 87,417,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,166,495.40 : 123,249,743.10 = 58,278,623.40 : x
  2. Step 2: Convert to fraction form
    82,166,495.40/123,249,743.10 = 58,278,623.40/x
  3. Step 3: Cross multiply
    82,166,495.40x = 123,249,743.10 × 58,278,623.40
  4. Step 4: Simplify right side
    82,166,495.40x = 7,182,825,362,271,648
  5. Step 5: Solve for x
    x = 7,182,825,362,271,648/82,166,495.40
  6. Step 6: Final answer
    x = 87,417,935.10

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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.