Home / 49,700,963.40-74,507,121.90-19,401,779.40

Finding the Fourth Proportional to 49,700,963.40, 74,507,121.90 and 19,401,779.40

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Solution

The fourth proportional to 49,700,963.40, 74,507,121.90 and 19,401,779.40 is: 29,085,366.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,700,963.40 : 74,507,121.90 = 19,401,779.40 : x
  2. Step 2: Convert to fraction form
    49,700,963.40/74,507,121.90 = 19,401,779.40/x
  3. Step 3: Cross multiply
    49,700,963.40x = 74,507,121.90 × 19,401,779.40
  4. Step 4: Simplify right side
    49,700,963.40x = 1,445,570,742,832,708.75
  5. Step 5: Solve for x
    x = 1,445,570,742,832,708.75/49,700,963.40
  6. Step 6: Final answer
    x = 29,085,366.64

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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.