Home / 210,158,029.98-315,237,052.26-153,013,950.72

Finding the Fourth Proportional to 210,158,029.98, 315,237,052.26 and 153,013,950.72

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Solution

The fourth proportional to 210,158,029.98, 315,237,052.26 and 153,013,950.72 is: 229,520,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,158,029.98 : 315,237,052.26 = 153,013,950.72 : x
  2. Step 2: Convert to fraction form
    210,158,029.98/315,237,052.26 = 153,013,950.72/x
  3. Step 3: Cross multiply
    210,158,029.98x = 315,237,052.26 × 153,013,950.72
  4. Step 4: Simplify right side
    210,158,029.98x = 48,235,666,779,629,704
  5. Step 5: Solve for x
    x = 48,235,666,779,629,704/210,158,029.98
  6. Step 6: Final answer
    x = 229,520,931.39

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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.