Home / 42,732,137.76-64,053,416.88-15,788,608.80

Finding the Fourth Proportional to 42,732,137.76, 64,053,416.88 and 15,788,608.80

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Solution

The fourth proportional to 42,732,137.76, 64,053,416.88 and 15,788,608.80 is: 23,666,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,732,137.76 : 64,053,416.88 = 15,788,608.80 : x
  2. Step 2: Convert to fraction form
    42,732,137.76/64,053,416.88 = 15,788,608.80/x
  3. Step 3: Cross multiply
    42,732,137.76x = 64,053,416.88 × 15,788,608.80
  4. Step 4: Simplify right side
    42,732,137.76x = 1,011,314,341,421,636.62
  5. Step 5: Solve for x
    x = 1,011,314,341,421,636.62/42,732,137.76
  6. Step 6: Final answer
    x = 23,666,364.34

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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.