Home / 67,709,419.80-93,467,601-45,712,712.28

Finding the Fourth Proportional to 67,709,419.80, 93,467,601 and 45,712,712.28

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Solution

The fourth proportional to 67,709,419.80, 93,467,601 and 45,712,712.28 is: 63,102,852.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,709,419.80 : 93,467,601 = 45,712,712.28 : x
  2. Step 2: Convert to fraction form
    67,709,419.80/93,467,601 = 45,712,712.28/x
  3. Step 3: Cross multiply
    67,709,419.80x = 93,467,601 × 45,712,712.28
  4. Step 4: Simplify right side
    67,709,419.80x = 4,272,657,552,014,840.50
  5. Step 5: Solve for x
    x = 4,272,657,552,014,840.50/67,709,419.80
  6. Step 6: Final answer
    x = 63,102,852.82

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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.