Home / 61,405,397.40-91,856,153.70-55,358,779.80

Finding the Fourth Proportional to 61,405,397.40, 91,856,153.70 and 55,358,779.80

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Solution

The fourth proportional to 61,405,397.40, 91,856,153.70 and 55,358,779.80 is: 82,811,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,405,397.40 : 91,856,153.70 = 55,358,779.80 : x
  2. Step 2: Convert to fraction form
    61,405,397.40/91,856,153.70 = 55,358,779.80/x
  3. Step 3: Cross multiply
    61,405,397.40x = 91,856,153.70 × 55,358,779.80
  4. Step 4: Simplify right side
    61,405,397.40x = 5,085,044,585,953,255
  5. Step 5: Solve for x
    x = 5,085,044,585,953,255/61,405,397.40
  6. Step 6: Final answer
    x = 82,811,036.18

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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.