Home / 42,849,125.63-59,149,889.43-28,929,338

Finding the Fourth Proportional to 42,849,125.63, 59,149,889.43 and 28,929,338

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Solution

The fourth proportional to 42,849,125.63, 59,149,889.43 and 28,929,338 is: 39,934,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,849,125.63 : 59,149,889.43 = 28,929,338 : x
  2. Step 2: Convert to fraction form
    42,849,125.63/59,149,889.43 = 28,929,338/x
  3. Step 3: Cross multiply
    42,849,125.63x = 59,149,889.43 × 28,929,338
  4. Step 4: Simplify right side
    42,849,125.63x = 1,711,167,143,983,097.25
  5. Step 5: Solve for x
    x = 1,711,167,143,983,097.25/42,849,125.63
  6. Step 6: Final answer
    x = 39,934,703.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.