Home / 131,528,371.40-197,292,557.10-127,749,235.40

Finding the Fourth Proportional to 131,528,371.40, 197,292,557.10 and 127,749,235.40

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Solution

The fourth proportional to 131,528,371.40, 197,292,557.10 and 127,749,235.40 is: 191,623,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,528,371.40 : 197,292,557.10 = 127,749,235.40 : x
  2. Step 2: Convert to fraction form
    131,528,371.40/197,292,557.10 = 127,749,235.40/x
  3. Step 3: Cross multiply
    131,528,371.40x = 197,292,557.10 × 127,749,235.40
  4. Step 4: Simplify right side
    131,528,371.40x = 25,203,973,319,635,840
  5. Step 5: Solve for x
    x = 25,203,973,319,635,840/131,528,371.40
  6. Step 6: Final answer
    x = 191,623,853.10

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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.