Home / 78,573,334.19-108,433,648.89-45,088,945.07

Finding the Fourth Proportional to 78,573,334.19, 108,433,648.89 and 45,088,945.07

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Solution

The fourth proportional to 78,573,334.19, 108,433,648.89 and 45,088,945.07 is: 62,224,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,573,334.19 : 108,433,648.89 = 45,088,945.07 : x
  2. Step 2: Convert to fraction form
    78,573,334.19/108,433,648.89 = 45,088,945.07/x
  3. Step 3: Cross multiply
    78,573,334.19x = 108,433,648.89 × 45,088,945.07
  4. Step 4: Simplify right side
    78,573,334.19x = 4,889,158,837,998,708
  5. Step 5: Solve for x
    x = 4,889,158,837,998,708/78,573,334.19
  6. Step 6: Final answer
    x = 62,224,148.80

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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.