Home / 155,537,638.80-233,143,504.68-72,470,897.88

Finding the Fourth Proportional to 155,537,638.80, 233,143,504.68 and 72,470,897.88

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Solution

The fourth proportional to 155,537,638.80, 233,143,504.68 and 72,470,897.88 is: 108,630,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,537,638.80 : 233,143,504.68 = 72,470,897.88 : x
  2. Step 2: Convert to fraction form
    155,537,638.80/233,143,504.68 = 72,470,897.88/x
  3. Step 3: Cross multiply
    155,537,638.80x = 233,143,504.68 × 72,470,897.88
  4. Step 4: Simplify right side
    155,537,638.80x = 16,896,119,119,049,582
  5. Step 5: Solve for x
    x = 16,896,119,119,049,582/155,537,638.80
  6. Step 6: Final answer
    x = 108,630,420.58

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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.