Home / 83,140,992,021.60-124,711,488,032.40-77,263,679,714.40

Finding the Fourth Proportional to 83,140,992,021.60, 124,711,488,032.40 and 77,263,679,714.40

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Solution

The fourth proportional to 83,140,992,021.60, 124,711,488,032.40 and 77,263,679,714.40 is: 115,895,519,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,140,992,021.60 : 124,711,488,032.40 = 77,263,679,714.40 : x
  2. Step 2: Convert to fraction form
    83,140,992,021.60/124,711,488,032.40 = 77,263,679,714.40/x
  3. Step 3: Cross multiply
    83,140,992,021.60x = 124,711,488,032.40 × 77,263,679,714.40
  4. Step 4: Simplify right side
    83,140,992,021.60x = 9,635,668,468,041,580,019,712
  5. Step 5: Solve for x
    x = 9,635,668,468,041,580,019,712/83,140,992,021.60
  6. Step 6: Final answer
    x = 115,895,519,571.60

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1.5x scale

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.