Home / 108,098,788.32-162,152,666.82-31,421,816.55

Finding the Fourth Proportional to 108,098,788.32, 162,152,666.82 and 31,421,816.55

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Solution

The fourth proportional to 108,098,788.32, 162,152,666.82 and 31,421,816.55 is: 47,134,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,098,788.32 : 162,152,666.82 = 31,421,816.55 : x
  2. Step 2: Convert to fraction form
    108,098,788.32/162,152,666.82 = 31,421,816.55/x
  3. Step 3: Cross multiply
    108,098,788.32x = 162,152,666.82 × 31,421,816.55
  4. Step 4: Simplify right side
    108,098,788.32x = 5,095,131,349,911,312
  5. Step 5: Solve for x
    x = 5,095,131,349,911,312/108,098,788.32
  6. Step 6: Final answer
    x = 47,134,028.32

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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.