Home / 131,053,248,030.40-196,579,872,045.60-127,379,927,838.40

Finding the Fourth Proportional to 131,053,248,030.40, 196,579,872,045.60 and 127,379,927,838.40

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Solution

The fourth proportional to 131,053,248,030.40, 196,579,872,045.60 and 127,379,927,838.40 is: 191,069,891,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,053,248,030.40 : 196,579,872,045.60 = 127,379,927,838.40 : x
  2. Step 2: Convert to fraction form
    131,053,248,030.40/196,579,872,045.60 = 127,379,927,838.40/x
  3. Step 3: Cross multiply
    131,053,248,030.40x = 196,579,872,045.60 × 127,379,927,838.40
  4. Step 4: Simplify right side
    131,053,248,030.40x = 25,040,329,915,650,434,662,400
  5. Step 5: Solve for x
    x = 25,040,329,915,650,434,662,400/131,053,248,030.40
  6. Step 6: Final answer
    x = 191,069,891,757.60

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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.