Home / 121,281,916.58-167,369,045.28-69,075,810.08

Finding the Fourth Proportional to 121,281,916.58, 167,369,045.28 and 69,075,810.08

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Solution

The fourth proportional to 121,281,916.58, 167,369,045.28 and 69,075,810.08 is: 95,324,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,281,916.58 : 167,369,045.28 = 69,075,810.08 : x
  2. Step 2: Convert to fraction form
    121,281,916.58/167,369,045.28 = 69,075,810.08/x
  3. Step 3: Cross multiply
    121,281,916.58x = 167,369,045.28 × 69,075,810.08
  4. Step 4: Simplify right side
    121,281,916.58x = 11,561,152,385,032,200
  5. Step 5: Solve for x
    x = 11,561,152,385,032,200/121,281,916.58
  6. Step 6: Final answer
    x = 95,324,618.14

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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.