Home / 163,244,315.66-225,287,335.95-89,905,438.22

Finding the Fourth Proportional to 163,244,315.66, 225,287,335.95 and 89,905,438.22

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Solution

The fourth proportional to 163,244,315.66, 225,287,335.95 and 89,905,438.22 is: 124,075,111.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,244,315.66 : 225,287,335.95 = 89,905,438.22 : x
  2. Step 2: Convert to fraction form
    163,244,315.66/225,287,335.95 = 89,905,438.22/x
  3. Step 3: Cross multiply
    163,244,315.66x = 225,287,335.95 × 89,905,438.22
  4. Step 4: Simplify right side
    163,244,315.66x = 20,254,556,664,001,108
  5. Step 5: Solve for x
    x = 20,254,556,664,001,108/163,244,315.66
  6. Step 6: Final answer
    x = 124,075,111.48

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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.