Home / 208,838,654,126.16-312,938,250,828.12-140,516,653,773.69

Finding the Fourth Proportional to 208,838,654,126.16, 312,938,250,828.12 and 140,516,653,773.69

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Solution

The fourth proportional to 208,838,654,126.16, 312,938,250,828.12 and 140,516,653,773.69 is: 210,559,850,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,838,654,126.16 : 312,938,250,828.12 = 140,516,653,773.69 : x
  2. Step 2: Convert to fraction form
    208,838,654,126.16/312,938,250,828.12 = 140,516,653,773.69/x
  3. Step 3: Cross multiply
    208,838,654,126.16x = 312,938,250,828.12 × 140,516,653,773.69
  4. Step 4: Simplify right side
    208,838,654,126.16x = 43,973,035,844,159,093,604,352
  5. Step 5: Solve for x
    x = 43,973,035,844,159,093,604,352/208,838,654,126.16
  6. Step 6: Final answer
    x = 210,559,850,752.51

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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.