Home / 120,272,539,646.73-165,990,333,654.52-71,443,553,035.09

Finding the Fourth Proportional to 120,272,539,646.73, 165,990,333,654.52 and 71,443,553,035.09

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Solution

The fourth proportional to 120,272,539,646.73, 165,990,333,654.52 and 71,443,553,035.09 is: 98,600,555,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,272,539,646.73 : 165,990,333,654.52 = 71,443,553,035.09 : x
  2. Step 2: Convert to fraction form
    120,272,539,646.73/165,990,333,654.52 = 71,443,553,035.09/x
  3. Step 3: Cross multiply
    120,272,539,646.73x = 165,990,333,654.52 × 71,443,553,035.09
  4. Step 4: Simplify right side
    120,272,539,646.73x = 11,858,939,205,758,983,602,176
  5. Step 5: Solve for x
    x = 11,858,939,205,758,983,602,176/120,272,539,646.73
  6. Step 6: Final answer
    x = 98,600,555,376.91

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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.