Home / 119,788,407.62-165,308,112.75-64,784,264.12

Finding the Fourth Proportional to 119,788,407.62, 165,308,112.75 and 64,784,264.12

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Solution

The fourth proportional to 119,788,407.62, 165,308,112.75 and 64,784,264.12 is: 89,402,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,788,407.62 : 165,308,112.75 = 64,784,264.12 : x
  2. Step 2: Convert to fraction form
    119,788,407.62/165,308,112.75 = 64,784,264.12/x
  3. Step 3: Cross multiply
    119,788,407.62x = 165,308,112.75 × 64,784,264.12
  4. Step 4: Simplify right side
    119,788,407.62x = 10,709,364,437,574,740
  5. Step 5: Solve for x
    x = 10,709,364,437,574,740/119,788,407.62
  6. Step 6: Final answer
    x = 89,402,344.10

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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.