Home / 107,521,778,359.50-148,380,068,659.54-59,349,830,681.78

Finding the Fourth Proportional to 107,521,778,359.50, 148,380,068,659.54 and 59,349,830,681.78

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Solution

The fourth proportional to 107,521,778,359.50, 148,380,068,659.54 and 59,349,830,681.78 is: 81,902,774,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,521,778,359.50 : 148,380,068,659.54 = 59,349,830,681.78 : x
  2. Step 2: Convert to fraction form
    107,521,778,359.50/148,380,068,659.54 = 59,349,830,681.78/x
  3. Step 3: Cross multiply
    107,521,778,359.50x = 148,380,068,659.54 × 59,349,830,681.78
  4. Step 4: Simplify right side
    107,521,778,359.50x = 8,806,331,951,494,590,365,696
  5. Step 5: Solve for x
    x = 8,806,331,951,494,590,365,696/107,521,778,359.50
  6. Step 6: Final answer
    x = 81,902,774,357.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.