Home / 73,778,823.80-110,668,235.70-72,771,054.20

Finding the Fourth Proportional to 73,778,823.80, 110,668,235.70 and 72,771,054.20

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Solution

The fourth proportional to 73,778,823.80, 110,668,235.70 and 72,771,054.20 is: 109,156,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,778,823.80 : 110,668,235.70 = 72,771,054.20 : x
  2. Step 2: Convert to fraction form
    73,778,823.80/110,668,235.70 = 72,771,054.20/x
  3. Step 3: Cross multiply
    73,778,823.80x = 110,668,235.70 × 72,771,054.20
  4. Step 4: Simplify right side
    73,778,823.80x = 8,053,444,178,343,075
  5. Step 5: Solve for x
    x = 8,053,444,178,343,075/73,778,823.80
  6. Step 6: Final answer
    x = 109,156,581.30

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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.