Home / 127,692,997,866.63-191,539,681,144.98-52,146,148,545.89

Finding the Fourth Proportional to 127,692,997,866.63, 191,539,681,144.98 and 52,146,148,545.89

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Solution

The fourth proportional to 127,692,997,866.63, 191,539,681,144.98 and 52,146,148,545.89 is: 78,219,298,100.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,692,997,866.63 : 191,539,681,144.98 = 52,146,148,545.89 : x
  2. Step 2: Convert to fraction form
    127,692,997,866.63/191,539,681,144.98 = 52,146,148,545.89/x
  3. Step 3: Cross multiply
    127,692,997,866.63x = 191,539,681,144.98 × 52,146,148,545.89
  4. Step 4: Simplify right side
    127,692,997,866.63x = 9,988,056,665,417,576,349,696
  5. Step 5: Solve for x
    x = 9,988,056,665,417,576,349,696/127,692,997,866.63
  6. Step 6: Final answer
    x = 78,219,298,100.04

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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.