Home / 66,273,764.80-99,297,117.60-52,668,875.20

Finding the Fourth Proportional to 66,273,764.80, 99,297,117.60 and 52,668,875.20

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Solution

The fourth proportional to 66,273,764.80, 99,297,117.60 and 52,668,875.20 is: 78,913,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,273,764.80 : 99,297,117.60 = 52,668,875.20 : x
  2. Step 2: Convert to fraction form
    66,273,764.80/99,297,117.60 = 52,668,875.20/x
  3. Step 3: Cross multiply
    66,273,764.80x = 99,297,117.60 × 52,668,875.20
  4. Step 4: Simplify right side
    66,273,764.80x = 5,229,867,494,594,124
  5. Step 5: Solve for x
    x = 5,229,867,494,594,124/66,273,764.80
  6. Step 6: Final answer
    x = 78,913,088.92

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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.