Home / 92,781,698.52-128,039,042.04-51,528,589.68

Finding the Fourth Proportional to 92,781,698.52, 128,039,042.04 and 51,528,589.68

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Solution

The fourth proportional to 92,781,698.52, 128,039,042.04 and 51,528,589.68 is: 71,109,619.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,781,698.52 : 128,039,042.04 = 51,528,589.68 : x
  2. Step 2: Convert to fraction form
    92,781,698.52/128,039,042.04 = 51,528,589.68/x
  3. Step 3: Cross multiply
    92,781,698.52x = 128,039,042.04 × 51,528,589.68
  4. Step 4: Simplify right side
    92,781,698.52x = 6,597,671,260,299,430
  5. Step 5: Solve for x
    x = 6,597,671,260,299,430/92,781,698.52
  6. Step 6: Final answer
    x = 71,109,619.31

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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.