Home / 159,418,803.60-239,128,205.40-51,713,427.60

Finding the Fourth Proportional to 159,418,803.60, 239,128,205.40 and 51,713,427.60

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Solution

The fourth proportional to 159,418,803.60, 239,128,205.40 and 51,713,427.60 is: 77,570,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,418,803.60 : 239,128,205.40 = 51,713,427.60 : x
  2. Step 2: Convert to fraction form
    159,418,803.60/239,128,205.40 = 51,713,427.60/x
  3. Step 3: Cross multiply
    159,418,803.60x = 239,128,205.40 × 51,713,427.60
  4. Step 4: Simplify right side
    159,418,803.60x = 12,366,139,137,070,830
  5. Step 5: Solve for x
    x = 12,366,139,137,070,830/159,418,803.60
  6. Step 6: Final answer
    x = 77,570,141.40

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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.