Home / 105,157,813.28-145,110,179.65-58,114,323.81

Finding the Fourth Proportional to 105,157,813.28, 145,110,179.65 and 58,114,323.81

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Solution

The fourth proportional to 105,157,813.28, 145,110,179.65 and 58,114,323.81 is: 80,193,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,157,813.28 : 145,110,179.65 = 58,114,323.81 : x
  2. Step 2: Convert to fraction form
    105,157,813.28/145,110,179.65 = 58,114,323.81/x
  3. Step 3: Cross multiply
    105,157,813.28x = 145,110,179.65 × 58,114,323.81
  4. Step 4: Simplify right side
    105,157,813.28x = 8,432,979,968,678,520
  5. Step 5: Solve for x
    x = 8,432,979,968,678,520/105,157,813.28
  6. Step 6: Final answer
    x = 80,193,565.32

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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.