Home / 77,939,495.30-107,552,127.27-42,657,228.26

Finding the Fourth Proportional to 77,939,495.30, 107,552,127.27 and 42,657,228.26

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Solution

The fourth proportional to 77,939,495.30, 107,552,127.27 and 42,657,228.26 is: 58,864,579.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,939,495.30 : 107,552,127.27 = 42,657,228.26 : x
  2. Step 2: Convert to fraction form
    77,939,495.30/107,552,127.27 = 42,657,228.26/x
  3. Step 3: Cross multiply
    77,939,495.30x = 107,552,127.27 × 42,657,228.26
  4. Step 4: Simplify right side
    77,939,495.30x = 4,587,875,642,830,485
  5. Step 5: Solve for x
    x = 4,587,875,642,830,485/77,939,495.30
  6. Step 6: Final answer
    x = 58,864,579.83

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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.