Home / 127,944,749.60-191,539,210.80-84,862,599.20

Finding the Fourth Proportional to 127,944,749.60, 191,539,210.80 and 84,862,599.20

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Solution

The fourth proportional to 127,944,749.60, 191,539,210.80 and 84,862,599.20 is: 127,043,238.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,944,749.60 : 191,539,210.80 = 84,862,599.20 : x
  2. Step 2: Convert to fraction form
    127,944,749.60/191,539,210.80 = 84,862,599.20/x
  3. Step 3: Cross multiply
    127,944,749.60x = 191,539,210.80 × 84,862,599.20
  4. Step 4: Simplify right side
    127,944,749.60x = 16,254,515,277,204,712
  5. Step 5: Solve for x
    x = 16,254,515,277,204,712/127,944,749.60
  6. Step 6: Final answer
    x = 127,043,238.02

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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.