Home / 127,692,997,894.30-191,539,681,186.50-52,146,148,573.58

Finding the Fourth Proportional to 127,692,997,894.30, 191,539,681,186.50 and 52,146,148,573.58

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Solution

The fourth proportional to 127,692,997,894.30, 191,539,681,186.50 and 52,146,148,573.58 is: 78,219,298,141.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,692,997,894.30 : 191,539,681,186.50 = 52,146,148,573.58 : x
  2. Step 2: Convert to fraction form
    127,692,997,894.30/191,539,681,186.50 = 52,146,148,573.58/x
  3. Step 3: Cross multiply
    127,692,997,894.30x = 191,539,681,186.50 × 52,146,148,573.58
  4. Step 4: Simplify right side
    127,692,997,894.30x = 9,988,056,672,886,417,522,688
  5. Step 5: Solve for x
    x = 9,988,056,672,886,417,522,688/127,692,997,894.30
  6. Step 6: Final answer
    x = 78,219,298,141.58

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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.