Home / 130,789,648.56-196,116,352.12-61,683,897.18

Finding the Fourth Proportional to 130,789,648.56, 196,116,352.12 and 61,683,897.18

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Solution

The fourth proportional to 130,789,648.56, 196,116,352.12 and 61,683,897.18 is: 92,493,718.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,789,648.56 : 196,116,352.12 = 61,683,897.18 : x
  2. Step 2: Convert to fraction form
    130,789,648.56/196,116,352.12 = 61,683,897.18/x
  3. Step 3: Cross multiply
    130,789,648.56x = 196,116,352.12 × 61,683,897.18
  4. Step 4: Simplify right side
    130,789,648.56x = 12,097,220,900,299,298
  5. Step 5: Solve for x
    x = 12,097,220,900,299,298/130,789,648.56
  6. Step 6: Final answer
    x = 92,493,718.22

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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.