Home / 314,804,409.80-434,427,658.12-173,681,577.81

Finding the Fourth Proportional to 314,804,409.80, 434,427,658.12 and 173,681,577.81

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Solution

The fourth proportional to 314,804,409.80, 434,427,658.12 and 173,681,577.81 is: 239,679,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,804,409.80 : 434,427,658.12 = 173,681,577.81 : x
  2. Step 2: Convert to fraction form
    314,804,409.80/434,427,658.12 = 173,681,577.81/x
  3. Step 3: Cross multiply
    314,804,409.80x = 434,427,658.12 × 173,681,577.81
  4. Step 4: Simplify right side
    314,804,409.80x = 75,452,081,106,801,952
  5. Step 5: Solve for x
    x = 75,452,081,106,801,952/314,804,409.80
  6. Step 6: Final answer
    x = 239,679,238.15

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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.