Home / 73,919,428.96-102,009,488.88-40,877,970.88

Finding the Fourth Proportional to 73,919,428.96, 102,009,488.88 and 40,877,970.88

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Solution

The fourth proportional to 73,919,428.96, 102,009,488.88 and 40,877,970.88 is: 56,411,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,919,428.96 : 102,009,488.88 = 40,877,970.88 : x
  2. Step 2: Convert to fraction form
    73,919,428.96/102,009,488.88 = 40,877,970.88/x
  3. Step 3: Cross multiply
    73,919,428.96x = 102,009,488.88 × 40,877,970.88
  4. Step 4: Simplify right side
    73,919,428.96x = 4,169,940,915,920,324
  5. Step 5: Solve for x
    x = 4,169,940,915,920,324/73,919,428.96
  6. Step 6: Final answer
    x = 56,411,974.15

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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.