Home / 115,501,904.63-159,392,628.39-66,609,332.63

Finding the Fourth Proportional to 115,501,904.63, 159,392,628.39 and 66,609,332.63

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Solution

The fourth proportional to 115,501,904.63, 159,392,628.39 and 66,609,332.63 is: 91,920,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,501,904.63 : 159,392,628.39 = 66,609,332.63 : x
  2. Step 2: Convert to fraction form
    115,501,904.63/159,392,628.39 = 66,609,332.63/x
  3. Step 3: Cross multiply
    115,501,904.63x = 159,392,628.39 × 66,609,332.63
  4. Step 4: Simplify right side
    115,501,904.63x = 10,617,036,602,402,528
  5. Step 5: Solve for x
    x = 10,617,036,602,402,528/115,501,904.63
  6. Step 6: Final answer
    x = 91,920,879.03

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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.