Home / 140,167,970.40-193,433,828.64-77,445,511.44

Finding the Fourth Proportional to 140,167,970.40, 193,433,828.64 and 77,445,511.44

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Solution

The fourth proportional to 140,167,970.40, 193,433,828.64 and 77,445,511.44 is: 106,875,927.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,167,970.40 : 193,433,828.64 = 77,445,511.44 : x
  2. Step 2: Convert to fraction form
    140,167,970.40/193,433,828.64 = 77,445,511.44/x
  3. Step 3: Cross multiply
    140,167,970.40x = 193,433,828.64 × 77,445,511.44
  4. Step 4: Simplify right side
    140,167,970.40x = 14,980,581,788,822,118
  5. Step 5: Solve for x
    x = 14,980,581,788,822,118/140,167,970.40
  6. Step 6: Final answer
    x = 106,875,927.12

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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.