Home / 102,538,254,907.80-153,684,938,355.30-42,846,801,787.80

Finding the Fourth Proportional to 102,538,254,907.80, 153,684,938,355.30 and 42,846,801,787.80

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Solution

The fourth proportional to 102,538,254,907.80, 153,684,938,355.30 and 42,846,801,787.80 is: 64,219,038,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,538,254,907.80 : 153,684,938,355.30 = 42,846,801,787.80 : x
  2. Step 2: Convert to fraction form
    102,538,254,907.80/153,684,938,355.30 = 42,846,801,787.80/x
  3. Step 3: Cross multiply
    102,538,254,907.80x = 153,684,938,355.30 × 42,846,801,787.80
  4. Step 4: Simplify right side
    102,538,254,907.80x = 6,584,908,091,479,800,414,208
  5. Step 5: Solve for x
    x = 6,584,908,091,479,800,414,208/102,538,254,907.80
  6. Step 6: Final answer
    x = 64,219,038,030.25

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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.