Home / 130,875,351.48-196,291,733.10-61,788,021.48

Finding the Fourth Proportional to 130,875,351.48, 196,291,733.10 and 61,788,021.48

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Solution

The fourth proportional to 130,875,351.48, 196,291,733.10 and 61,788,021.48 is: 92,671,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,875,351.48 : 196,291,733.10 = 61,788,021.48 : x
  2. Step 2: Convert to fraction form
    130,875,351.48/196,291,733.10 = 61,788,021.48/x
  3. Step 3: Cross multiply
    130,875,351.48x = 196,291,733.10 × 61,788,021.48
  4. Step 4: Simplify right side
    130,875,351.48x = 12,128,477,821,129,226
  5. Step 5: Solve for x
    x = 12,128,477,821,129,226/130,875,351.48
  6. Step 6: Final answer
    x = 92,671,978.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.