Home / 99,578,366,456.84-137,418,556,898.50-53,852,640,876.20

Finding the Fourth Proportional to 99,578,366,456.84, 137,418,556,898.50 and 53,852,640,876.20

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Solution

The fourth proportional to 99,578,366,456.84, 137,418,556,898.50 and 53,852,640,876.20 is: 74,316,866,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,578,366,456.84 : 137,418,556,898.50 = 53,852,640,876.20 : x
  2. Step 2: Convert to fraction form
    99,578,366,456.84/137,418,556,898.50 = 53,852,640,876.20/x
  3. Step 3: Cross multiply
    99,578,366,456.84x = 137,418,556,898.50 × 53,852,640,876.20
  4. Step 4: Simplify right side
    99,578,366,456.84x = 7,400,352,194,380,576,063,488
  5. Step 5: Solve for x
    x = 7,400,352,194,380,576,063,488/99,578,366,456.84
  6. Step 6: Final answer
    x = 74,316,866,782.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.