Home / 77,760,519.60-116,640,779.40-48,913,114.80

Finding the Fourth Proportional to 77,760,519.60, 116,640,779.40 and 48,913,114.80

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Solution

The fourth proportional to 77,760,519.60, 116,640,779.40 and 48,913,114.80 is: 73,369,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,760,519.60 : 116,640,779.40 = 48,913,114.80 : x
  2. Step 2: Convert to fraction form
    77,760,519.60/116,640,779.40 = 48,913,114.80/x
  3. Step 3: Cross multiply
    77,760,519.60x = 116,640,779.40 × 48,913,114.80
  4. Step 4: Simplify right side
    77,760,519.60x = 5,705,263,833,153,675
  5. Step 5: Solve for x
    x = 5,705,263,833,153,675/77,760,519.60
  6. Step 6: Final answer
    x = 73,369,672.20

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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.