Home / 140,013,946.08-210,020,919.12-37,777,983.72

Finding the Fourth Proportional to 140,013,946.08, 210,020,919.12 and 37,777,983.72

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Solution

The fourth proportional to 140,013,946.08, 210,020,919.12 and 37,777,983.72 is: 56,666,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,013,946.08 : 210,020,919.12 = 37,777,983.72 : x
  2. Step 2: Convert to fraction form
    140,013,946.08/210,020,919.12 = 37,777,983.72/x
  3. Step 3: Cross multiply
    140,013,946.08x = 210,020,919.12 × 37,777,983.72
  4. Step 4: Simplify right side
    140,013,946.08x = 7,934,166,863,374,797
  5. Step 5: Solve for x
    x = 7,934,166,863,374,797/140,013,946.08
  6. Step 6: Final answer
    x = 56,666,975.58

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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.