Home / 66,051,421.20-99,077,131.80-48,832,732.80

Finding the Fourth Proportional to 66,051,421.20, 99,077,131.80 and 48,832,732.80

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Solution

The fourth proportional to 66,051,421.20, 99,077,131.80 and 48,832,732.80 is: 73,249,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,421.20 : 99,077,131.80 = 48,832,732.80 : x
  2. Step 2: Convert to fraction form
    66,051,421.20/99,077,131.80 = 48,832,732.80/x
  3. Step 3: Cross multiply
    66,051,421.20x = 99,077,131.80 × 48,832,732.80
  4. Step 4: Simplify right side
    66,051,421.20x = 4,838,207,103,779,783
  5. Step 5: Solve for x
    x = 4,838,207,103,779,783/66,051,421.20
  6. Step 6: Final answer
    x = 73,249,099.20

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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.