Home / 97,470,019.40-146,205,029.10-86,888,438.60

Finding the Fourth Proportional to 97,470,019.40, 146,205,029.10 and 86,888,438.60

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Solution

The fourth proportional to 97,470,019.40, 146,205,029.10 and 86,888,438.60 is: 130,332,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,470,019.40 : 146,205,029.10 = 86,888,438.60 : x
  2. Step 2: Convert to fraction form
    97,470,019.40/146,205,029.10 = 86,888,438.60/x
  3. Step 3: Cross multiply
    97,470,019.40x = 146,205,029.10 × 86,888,438.60
  4. Step 4: Simplify right side
    97,470,019.40x = 12,703,526,693,966,562
  5. Step 5: Solve for x
    x = 12,703,526,693,966,562/97,470,019.40
  6. Step 6: Final answer
    x = 130,332,657.90

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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.