Home / 191,484,313.80-287,226,470.70-53,309,653.80

Finding the Fourth Proportional to 191,484,313.80, 287,226,470.70 and 53,309,653.80

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Solution

The fourth proportional to 191,484,313.80, 287,226,470.70 and 53,309,653.80 is: 79,964,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,484,313.80 : 287,226,470.70 = 53,309,653.80 : x
  2. Step 2: Convert to fraction form
    191,484,313.80/287,226,470.70 = 53,309,653.80/x
  3. Step 3: Cross multiply
    191,484,313.80x = 287,226,470.70 × 53,309,653.80
  4. Step 4: Simplify right side
    191,484,313.80x = 15,311,943,715,212,842
  5. Step 5: Solve for x
    x = 15,311,943,715,212,842/191,484,313.80
  6. Step 6: Final answer
    x = 79,964,480.70

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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.