Home / 30,484,390.91-42,068,505.54-16,545,751.02

Finding the Fourth Proportional to 30,484,390.91, 42,068,505.54 and 16,545,751.02

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Solution

The fourth proportional to 30,484,390.91, 42,068,505.54 and 16,545,751.02 is: 22,833,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,484,390.91 : 42,068,505.54 = 16,545,751.02 : x
  2. Step 2: Convert to fraction form
    30,484,390.91/42,068,505.54 = 16,545,751.02/x
  3. Step 3: Cross multiply
    30,484,390.91x = 42,068,505.54 × 16,545,751.02
  4. Step 4: Simplify right side
    30,484,390.91x = 696,055,018,237,988.12
  5. Step 5: Solve for x
    x = 696,055,018,237,988.12/30,484,390.91
  6. Step 6: Final answer
    x = 22,833,161.41

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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.