Home / 208,867,763.12-288,245,292-125,249,507.58

Finding the Fourth Proportional to 208,867,763.12, 288,245,292 and 125,249,507.58

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Solution

The fourth proportional to 208,867,763.12, 288,245,292 and 125,249,507.58 is: 172,848,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,867,763.12 : 288,245,292 = 125,249,507.58 : x
  2. Step 2: Convert to fraction form
    208,867,763.12/288,245,292 = 125,249,507.58/x
  3. Step 3: Cross multiply
    208,867,763.12x = 288,245,292 × 125,249,507.58
  4. Step 4: Simplify right side
    208,867,763.12x = 36,102,580,885,253,312
  5. Step 5: Solve for x
    x = 36,102,580,885,253,312/208,867,763.12
  6. Step 6: Final answer
    x = 172,848,985.15

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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.