Home / 64,541,378.81-89,064,840.47-35,172,112.07

Finding the Fourth Proportional to 64,541,378.81, 89,064,840.47 and 35,172,112.07

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Solution

The fourth proportional to 64,541,378.81, 89,064,840.47 and 35,172,112.07 is: 48,536,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,541,378.81 : 89,064,840.47 = 35,172,112.07 : x
  2. Step 2: Convert to fraction form
    64,541,378.81/89,064,840.47 = 35,172,112.07/x
  3. Step 3: Cross multiply
    64,541,378.81x = 89,064,840.47 × 35,172,112.07
  4. Step 4: Simplify right side
    64,541,378.81x = 3,132,598,550,554,313
  5. Step 5: Solve for x
    x = 3,132,598,550,554,313/64,541,378.81
  6. Step 6: Final answer
    x = 48,536,281.81

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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.