Home / 86,921,510.40-121,869,273.60-86,921,510.40

Finding the Fourth Proportional to 86,921,510.40, 121,869,273.60 and 86,921,510.40

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Solution

The fourth proportional to 86,921,510.40, 121,869,273.60 and 86,921,510.40 is: 121,869,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,921,510.40 : 121,869,273.60 = 86,921,510.40 : x
  2. Step 2: Convert to fraction form
    86,921,510.40/121,869,273.60 = 86,921,510.40/x
  3. Step 3: Cross multiply
    86,921,510.40x = 121,869,273.60 × 86,921,510.40
  4. Step 4: Simplify right side
    86,921,510.40x = 10,593,061,332,662,846
  5. Step 5: Solve for x
    x = 10,593,061,332,662,846/86,921,510.40
  6. Step 6: Final answer
    x = 121,869,273.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.