Home / 156,842,514.81-235,213,858.80-51,778,295.42

Finding the Fourth Proportional to 156,842,514.81, 235,213,858.80 and 51,778,295.42

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Solution

The fourth proportional to 156,842,514.81, 235,213,858.80 and 51,778,295.42 is: 77,650,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,842,514.81 : 235,213,858.80 = 51,778,295.42 : x
  2. Step 2: Convert to fraction form
    156,842,514.81/235,213,858.80 = 51,778,295.42/x
  3. Step 3: Cross multiply
    156,842,514.81x = 235,213,858.80 × 51,778,295.42
  4. Step 4: Simplify right side
    156,842,514.81x = 12,178,972,666,648,498
  5. Step 5: Solve for x
    x = 12,178,972,666,648,498/156,842,514.81
  6. Step 6: Final answer
    x = 77,650,965.25

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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.