Home / 77,352,641.51-106,748,664.77-42,546,245.36

Finding the Fourth Proportional to 77,352,641.51, 106,748,664.77 and 42,546,245.36

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Solution

The fourth proportional to 77,352,641.51, 106,748,664.77 and 42,546,245.36 is: 58,714,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,352,641.51 : 106,748,664.77 = 42,546,245.36 : x
  2. Step 2: Convert to fraction form
    77,352,641.51/106,748,664.77 = 42,546,245.36/x
  3. Step 3: Cross multiply
    77,352,641.51x = 106,748,664.77 × 42,546,245.36
  4. Step 4: Simplify right side
    77,352,641.51x = 4,541,754,883,390,641
  5. Step 5: Solve for x
    x = 4,541,754,883,390,641/77,352,641.51
  6. Step 6: Final answer
    x = 58,714,929.38

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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.