Home / 237,347,813.60-356,021,720.40-145,514,808.80

Finding the Fourth Proportional to 237,347,813.60, 356,021,720.40 and 145,514,808.80

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Solution

The fourth proportional to 237,347,813.60, 356,021,720.40 and 145,514,808.80 is: 218,272,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,347,813.60 : 356,021,720.40 = 145,514,808.80 : x
  2. Step 2: Convert to fraction form
    237,347,813.60/356,021,720.40 = 145,514,808.80/x
  3. Step 3: Cross multiply
    237,347,813.60x = 356,021,720.40 × 145,514,808.80
  4. Step 4: Simplify right side
    237,347,813.60x = 51,806,432,572,653,064
  5. Step 5: Solve for x
    x = 51,806,432,572,653,064/237,347,813.60
  6. Step 6: Final answer
    x = 218,272,213.20

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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.