Home / 119,788,407.12-165,308,112.06-64,784,263.62

Finding the Fourth Proportional to 119,788,407.12, 165,308,112.06 and 64,784,263.62

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Solution

The fourth proportional to 119,788,407.12, 165,308,112.06 and 64,784,263.62 is: 89,402,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,788,407.12 : 165,308,112.06 = 64,784,263.62 : x
  2. Step 2: Convert to fraction form
    119,788,407.12/165,308,112.06 = 64,784,263.62/x
  3. Step 3: Cross multiply
    119,788,407.12x = 165,308,112.06 × 64,784,263.62
  4. Step 4: Simplify right side
    119,788,407.12x = 10,709,364,310,219,540
  5. Step 5: Solve for x
    x = 10,709,364,310,219,540/119,788,407.12
  6. Step 6: Final answer
    x = 89,402,343.41

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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.