Home / 122,648,576.79-169,281,229.14-70,466,385

Finding the Fourth Proportional to 122,648,576.79, 169,281,229.14 and 70,466,385

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Solution

The fourth proportional to 122,648,576.79, 169,281,229.14 and 70,466,385 is: 97,258,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,648,576.79 : 169,281,229.14 = 70,466,385 : x
  2. Step 2: Convert to fraction form
    122,648,576.79/169,281,229.14 = 70,466,385/x
  3. Step 3: Cross multiply
    122,648,576.79x = 169,281,229.14 × 70,466,385
  4. Step 4: Simplify right side
    122,648,576.79x = 11,928,636,265,852,458
  5. Step 5: Solve for x
    x = 11,928,636,265,852,458/122,648,576.79
  6. Step 6: Final answer
    x = 97,258,660.30

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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.