Home / 127,692,997,854.46-191,539,681,126.78-52,146,148,533.80

Finding the Fourth Proportional to 127,692,997,854.46, 191,539,681,126.78 and 52,146,148,533.80

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Solution

The fourth proportional to 127,692,997,854.46, 191,539,681,126.78 and 52,146,148,533.80 is: 78,219,298,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,692,997,854.46 : 191,539,681,126.78 = 52,146,148,533.80 : x
  2. Step 2: Convert to fraction form
    127,692,997,854.46/191,539,681,126.78 = 52,146,148,533.80/x
  3. Step 3: Cross multiply
    127,692,997,854.46x = 191,539,681,126.78 × 52,146,148,533.80
  4. Step 4: Simplify right side
    127,692,997,854.46x = 9,988,056,662,153,759,817,728
  5. Step 5: Solve for x
    x = 9,988,056,662,153,759,817,728/127,692,997,854.46
  6. Step 6: Final answer
    x = 78,219,298,081.93

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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.