Home / 78,743,875.52-108,676,362.48-45,697,028.96

Finding the Fourth Proportional to 78,743,875.52, 108,676,362.48 and 45,697,028.96

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Solution

The fourth proportional to 78,743,875.52, 108,676,362.48 and 45,697,028.96 is: 63,067,595.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,743,875.52 : 108,676,362.48 = 45,697,028.96 : x
  2. Step 2: Convert to fraction form
    78,743,875.52/108,676,362.48 = 45,697,028.96/x
  3. Step 3: Cross multiply
    78,743,875.52x = 108,676,362.48 × 45,697,028.96
  4. Step 4: Simplify right side
    78,743,875.52x = 4,966,186,883,516,018
  5. Step 5: Solve for x
    x = 4,966,186,883,516,018/78,743,875.52
  6. Step 6: Final answer
    x = 63,067,595.43

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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.