Home / 208,838,654,116.57-312,938,250,813.79-140,516,653,764.13

Finding the Fourth Proportional to 208,838,654,116.57, 312,938,250,813.79 and 140,516,653,764.13

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Solution

The fourth proportional to 208,838,654,116.57, 312,938,250,813.79 and 140,516,653,764.13 is: 210,559,850,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,838,654,116.57 : 312,938,250,813.79 = 140,516,653,764.13 : x
  2. Step 2: Convert to fraction form
    208,838,654,116.57/312,938,250,813.79 = 140,516,653,764.13/x
  3. Step 3: Cross multiply
    208,838,654,116.57x = 312,938,250,813.79 × 140,516,653,764.13
  4. Step 4: Simplify right side
    208,838,654,116.57x = 43,973,035,839,153,804,148,736
  5. Step 5: Solve for x
    x = 43,973,035,839,153,804,148,736/208,838,654,116.57
  6. Step 6: Final answer
    x = 210,559,850,738.21

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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.