Home / 133,126,890.40-199,590,802.80-56,387,101.60

Finding the Fourth Proportional to 133,126,890.40, 199,590,802.80 and 56,387,101.60

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Solution

The fourth proportional to 133,126,890.40, 199,590,802.80 and 56,387,101.60 is: 84,538,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,126,890.40 : 199,590,802.80 = 56,387,101.60 : x
  2. Step 2: Convert to fraction form
    133,126,890.40/199,590,802.80 = 56,387,101.60/x
  3. Step 3: Cross multiply
    133,126,890.40x = 199,590,802.80 × 56,387,101.60
  4. Step 4: Simplify right side
    133,126,890.40x = 11,254,346,875,909,166
  5. Step 5: Solve for x
    x = 11,254,346,875,909,166/133,126,890.40
  6. Step 6: Final answer
    x = 84,538,494.38

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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.