Home / 113,742,357,979.68-156,964,978,365.12-62,992,236,709.44

Finding the Fourth Proportional to 113,742,357,979.68, 156,964,978,365.12 and 62,992,236,709.44

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Solution

The fourth proportional to 113,742,357,979.68, 156,964,978,365.12 and 62,992,236,709.44 is: 86,929,577,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,742,357,979.68 : 156,964,978,365.12 = 62,992,236,709.44 : x
  2. Step 2: Convert to fraction form
    113,742,357,979.68/156,964,978,365.12 = 62,992,236,709.44/x
  3. Step 3: Cross multiply
    113,742,357,979.68x = 156,964,978,365.12 × 62,992,236,709.44
  4. Step 4: Simplify right side
    113,742,357,979.68x = 9,887,575,072,267,768,430,592
  5. Step 5: Solve for x
    x = 9,887,575,072,267,768,430,592/113,742,357,979.68
  6. Step 6: Final answer
    x = 86,929,577,053.73

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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.