Home / 119,788,576.29-165,308,345.51-64,784,432.79

Finding the Fourth Proportional to 119,788,576.29, 165,308,345.51 and 64,784,432.79

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Solution

The fourth proportional to 119,788,576.29, 165,308,345.51 and 64,784,432.79 is: 89,402,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,788,576.29 : 165,308,345.51 = 64,784,432.79 : x
  2. Step 2: Convert to fraction form
    119,788,576.29/165,308,345.51 = 64,784,432.79/x
  3. Step 3: Cross multiply
    119,788,576.29x = 165,308,345.51 × 64,784,432.79
  4. Step 4: Simplify right side
    119,788,576.29x = 10,709,407,398,994,770
  5. Step 5: Solve for x
    x = 10,709,407,398,994,770/119,788,576.29
  6. Step 6: Final answer
    x = 89,402,576.86

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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.