Home / 56,955,389.09-78,598,439.64-30,849,906.92

Finding the Fourth Proportional to 56,955,389.09, 78,598,439.64 and 30,849,906.92

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Solution

The fourth proportional to 56,955,389.09, 78,598,439.64 and 30,849,906.92 is: 42,572,873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,955,389.09 : 78,598,439.64 = 30,849,906.92 : x
  2. Step 2: Convert to fraction form
    56,955,389.09/78,598,439.64 = 30,849,906.92/x
  3. Step 3: Cross multiply
    56,955,389.09x = 78,598,439.64 × 30,849,906.92
  4. Step 4: Simplify right side
    56,955,389.09x = 2,424,754,546,558,246
  5. Step 5: Solve for x
    x = 2,424,754,546,558,246/56,955,389.09
  6. Step 6: Final answer
    x = 42,572,873.01

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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.