Home / 128,885,032.22-177,861,334.56-70,148,118.50

Finding the Fourth Proportional to 128,885,032.22, 177,861,334.56 and 70,148,118.50

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Solution

The fourth proportional to 128,885,032.22, 177,861,334.56 and 70,148,118.50 is: 96,804,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,885,032.22 : 177,861,334.56 = 70,148,118.50 : x
  2. Step 2: Convert to fraction form
    128,885,032.22/177,861,334.56 = 70,148,118.50/x
  3. Step 3: Cross multiply
    128,885,032.22x = 177,861,334.56 × 70,148,118.50
  4. Step 4: Simplify right side
    128,885,032.22x = 12,476,637,973,283,026
  5. Step 5: Solve for x
    x = 12,476,637,973,283,026/128,885,032.22
  6. Step 6: Final answer
    x = 96,804,398.14

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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.