Home / 288,072,784.51-432,127,744.68-101,303,815.57

Finding the Fourth Proportional to 288,072,784.51, 432,127,744.68 and 101,303,815.57

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Solution

The fourth proportional to 288,072,784.51, 432,127,744.68 and 101,303,815.57 is: 151,962,252.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,072,784.51 : 432,127,744.68 = 101,303,815.57 : x
  2. Step 2: Convert to fraction form
    288,072,784.51/432,127,744.68 = 101,303,815.57/x
  3. Step 3: Cross multiply
    288,072,784.51x = 432,127,744.68 × 101,303,815.57
  4. Step 4: Simplify right side
    288,072,784.51x = 43,776,189,349,742,768
  5. Step 5: Solve for x
    x = 43,776,189,349,742,768/288,072,784.51
  6. Step 6: Final answer
    x = 151,962,252.96

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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.