Home / 121,430,774.77-167,574,689.63-66,426,631.27

Finding the Fourth Proportional to 121,430,774.77, 167,574,689.63 and 66,426,631.27

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Solution

The fourth proportional to 121,430,774.77, 167,574,689.63 and 66,426,631.27 is: 91,668,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,430,774.77 : 167,574,689.63 = 66,426,631.27 : x
  2. Step 2: Convert to fraction form
    121,430,774.77/167,574,689.63 = 66,426,631.27/x
  3. Step 3: Cross multiply
    121,430,774.77x = 167,574,689.63 × 66,426,631.27
  4. Step 4: Simplify right side
    121,430,774.77x = 11,131,422,117,734,732
  5. Step 5: Solve for x
    x = 11,131,422,117,734,732/121,430,774.77
  6. Step 6: Final answer
    x = 91,668,871.74

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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.