Home / 135,608,548,886.64-187,127,633,894.94-78,519,712,475.70

Finding the Fourth Proportional to 135,608,548,886.64, 187,127,633,894.94 and 78,519,712,475.70

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Solution

The fourth proportional to 135,608,548,886.64, 187,127,633,894.94 and 78,519,712,475.70 is: 108,350,160,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,608,548,886.64 : 187,127,633,894.94 = 78,519,712,475.70 : x
  2. Step 2: Convert to fraction form
    135,608,548,886.64/187,127,633,894.94 = 78,519,712,475.70/x
  3. Step 3: Cross multiply
    135,608,548,886.64x = 187,127,633,894.94 × 78,519,712,475.70
  4. Step 4: Simplify right side
    135,608,548,886.64x = 14,693,208,009,688,741,838,848
  5. Step 5: Solve for x
    x = 14,693,208,009,688,741,838,848/135,608,548,886.64
  6. Step 6: Final answer
    x = 108,350,160,298.31

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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.