Home / 140,273,372,409.68-210,445,141,600.92-40,900,016,981.36

Finding the Fourth Proportional to 140,273,372,409.68, 210,445,141,600.92 and 40,900,016,981.36

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Solution

The fourth proportional to 140,273,372,409.68, 210,445,141,600.92 and 40,900,016,981.36 is: 61,360,254,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,273,372,409.68 : 210,445,141,600.92 = 40,900,016,981.36 : x
  2. Step 2: Convert to fraction form
    140,273,372,409.68/210,445,141,600.92 = 40,900,016,981.36/x
  3. Step 3: Cross multiply
    140,273,372,409.68x = 210,445,141,600.92 × 40,900,016,981.36
  4. Step 4: Simplify right side
    140,273,372,409.68x = 8,607,209,865,122,338,045,952
  5. Step 5: Solve for x
    x = 8,607,209,865,122,338,045,952/140,273,372,409.68
  6. Step 6: Final answer
    x = 61,360,254,745.88

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1.5x scale

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.