Home / 207,772,021.60-286,725,237.64-113,686,786.34

Finding the Fourth Proportional to 207,772,021.60, 286,725,237.64 and 113,686,786.34

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Solution

The fourth proportional to 207,772,021.60, 286,725,237.64 and 113,686,786.34 is: 156,887,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,772,021.60 : 286,725,237.64 = 113,686,786.34 : x
  2. Step 2: Convert to fraction form
    207,772,021.60/286,725,237.64 = 113,686,786.34/x
  3. Step 3: Cross multiply
    207,772,021.60x = 286,725,237.64 × 113,686,786.34
  4. Step 4: Simplify right side
    207,772,021.60x = 32,596,870,829,864,404
  5. Step 5: Solve for x
    x = 32,596,870,829,864,404/207,772,021.60
  6. Step 6: Final answer
    x = 156,887,681.89

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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.