Home / 70,127,348.94-105,191,023.80-19,009,367.52

Finding the Fourth Proportional to 70,127,348.94, 105,191,023.80 and 19,009,367.52

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Solution

The fourth proportional to 70,127,348.94, 105,191,023.80 and 19,009,367.52 is: 28,514,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,127,348.94 : 105,191,023.80 = 19,009,367.52 : x
  2. Step 2: Convert to fraction form
    70,127,348.94/105,191,023.80 = 19,009,367.52/x
  3. Step 3: Cross multiply
    70,127,348.94x = 105,191,023.80 × 19,009,367.52
  4. Step 4: Simplify right side
    70,127,348.94x = 1,999,614,831,219,266.75
  5. Step 5: Solve for x
    x = 1,999,614,831,219,266.75/70,127,348.94
  6. Step 6: Final answer
    x = 28,514,051.39

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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.