Home / 78,069,713.52-107,732,508.77-46,725,032.66

Finding the Fourth Proportional to 78,069,713.52, 107,732,508.77 and 46,725,032.66

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Solution

The fourth proportional to 78,069,713.52, 107,732,508.77 and 46,725,032.66 is: 64,478,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,069,713.52 : 107,732,508.77 = 46,725,032.66 : x
  2. Step 2: Convert to fraction form
    78,069,713.52/107,732,508.77 = 46,725,032.66/x
  3. Step 3: Cross multiply
    78,069,713.52x = 107,732,508.77 × 46,725,032.66
  4. Step 4: Simplify right side
    78,069,713.52x = 5,033,804,990,400,136
  5. Step 5: Solve for x
    x = 5,033,804,990,400,136/78,069,713.52
  6. Step 6: Final answer
    x = 64,478,333.06

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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.