Home / 160,314,779.36-221,233,471.62-86,974,346.72

Finding the Fourth Proportional to 160,314,779.36, 221,233,471.62 and 86,974,346.72

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Solution

The fourth proportional to 160,314,779.36, 221,233,471.62 and 86,974,346.72 is: 120,024,097.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,314,779.36 : 221,233,471.62 = 86,974,346.72 : x
  2. Step 2: Convert to fraction form
    160,314,779.36/221,233,471.62 = 86,974,346.72/x
  3. Step 3: Cross multiply
    160,314,779.36x = 221,233,471.62 × 86,974,346.72
  4. Step 4: Simplify right side
    160,314,779.36x = 19,241,636,666,747,160
  5. Step 5: Solve for x
    x = 19,241,636,666,747,160/160,314,779.36
  6. Step 6: Final answer
    x = 120,024,097.24

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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.