Home / 102,538,254,932.80-153,684,938,392.80-42,846,801,812.80

Finding the Fourth Proportional to 102,538,254,932.80, 153,684,938,392.80 and 42,846,801,812.80

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Solution

The fourth proportional to 102,538,254,932.80, 153,684,938,392.80 and 42,846,801,812.80 is: 64,219,038,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,538,254,932.80 : 153,684,938,392.80 = 42,846,801,812.80 : x
  2. Step 2: Convert to fraction form
    102,538,254,932.80/153,684,938,392.80 = 42,846,801,812.80/x
  3. Step 3: Cross multiply
    102,538,254,932.80x = 153,684,938,392.80 × 42,846,801,812.80
  4. Step 4: Simplify right side
    102,538,254,932.80x = 6,584,908,096,928,679,460,864
  5. Step 5: Solve for x
    x = 6,584,908,096,928,679,460,864/102,538,254,932.80
  6. Step 6: Final answer
    x = 64,219,038,067.74

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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.