Home / 138,559,725.48-191,204,641.29-75,835,695.63

Finding the Fourth Proportional to 138,559,725.48, 191,204,641.29 and 75,835,695.63

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Solution

The fourth proportional to 138,559,725.48, 191,204,641.29 and 75,835,695.63 is: 104,649,001.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,559,725.48 : 191,204,641.29 = 75,835,695.63 : x
  2. Step 2: Convert to fraction form
    138,559,725.48/191,204,641.29 = 75,835,695.63/x
  3. Step 3: Cross multiply
    138,559,725.48x = 191,204,641.29 × 75,835,695.63
  4. Step 4: Simplify right side
    138,559,725.48x = 14,500,136,979,911,770
  5. Step 5: Solve for x
    x = 14,500,136,979,911,770/138,559,725.48
  6. Step 6: Final answer
    x = 104,649,001.94

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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.