Home / 142,543,850-196,710,514.60-77,353,754

Finding the Fourth Proportional to 142,543,850, 196,710,514.60 and 77,353,754

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Solution

The fourth proportional to 142,543,850, 196,710,514.60 and 77,353,754 is: 106,748,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,543,850 : 196,710,514.60 = 77,353,754 : x
  2. Step 2: Convert to fraction form
    142,543,850/196,710,514.60 = 77,353,754/x
  3. Step 3: Cross multiply
    142,543,850x = 196,710,514.60 × 77,353,754
  4. Step 4: Simplify right side
    142,543,850x = 15,216,296,755,581,808
  5. Step 5: Solve for x
    x = 15,216,296,755,581,808/142,543,850
  6. Step 6: Final answer
    x = 106,748,181.39

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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.