Home / 165,030,013.44-247,459,968-74,075,639.04

Finding the Fourth Proportional to 165,030,013.44, 247,459,968 and 74,075,639.04

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Solution

The fourth proportional to 165,030,013.44, 247,459,968 and 74,075,639.04 is: 111,075,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,030,013.44 : 247,459,968 = 74,075,639.04 : x
  2. Step 2: Convert to fraction form
    165,030,013.44/247,459,968 = 74,075,639.04/x
  3. Step 3: Cross multiply
    165,030,013.44x = 247,459,968 × 74,075,639.04
  4. Step 4: Simplify right side
    165,030,013.44x = 18,330,755,266,417,952
  5. Step 5: Solve for x
    x = 18,330,755,266,417,952/165,030,013.44
  6. Step 6: Final answer
    x = 111,075,281.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.