Home / 163,244,310.16-225,287,328.36-89,905,432.72

Finding the Fourth Proportional to 163,244,310.16, 225,287,328.36 and 89,905,432.72

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Solution

The fourth proportional to 163,244,310.16, 225,287,328.36 and 89,905,432.72 is: 124,075,103.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,244,310.16 : 225,287,328.36 = 89,905,432.72 : x
  2. Step 2: Convert to fraction form
    163,244,310.16/225,287,328.36 = 89,905,432.72/x
  3. Step 3: Cross multiply
    163,244,310.16x = 225,287,328.36 × 89,905,432.72
  4. Step 4: Simplify right side
    163,244,310.16x = 20,254,554,742,538,528
  5. Step 5: Solve for x
    x = 20,254,554,742,538,528/163,244,310.16
  6. Step 6: Final answer
    x = 124,075,103.89

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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.