Home / 131,462,776.71-181,423,973.61-72,724,429.13

Finding the Fourth Proportional to 131,462,776.71, 181,423,973.61 and 72,724,429.13

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Solution

The fourth proportional to 131,462,776.71, 181,423,973.61 and 72,724,429.13 is: 100,362,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,462,776.71 : 181,423,973.61 = 72,724,429.13 : x
  2. Step 2: Convert to fraction form
    131,462,776.71/181,423,973.61 = 72,724,429.13/x
  3. Step 3: Cross multiply
    131,462,776.71x = 181,423,973.61 × 72,724,429.13
  4. Step 4: Simplify right side
    131,462,776.71x = 13,193,954,910,376,316
  5. Step 5: Solve for x
    x = 13,193,954,910,376,316/131,462,776.71
  6. Step 6: Final answer
    x = 100,362,667.22

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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.