Home / 129,026,736,411.60-193,540,104,617.40-40,703,793,128.40

Finding the Fourth Proportional to 129,026,736,411.60, 193,540,104,617.40 and 40,703,793,128.40

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Solution

The fourth proportional to 129,026,736,411.60, 193,540,104,617.40 and 40,703,793,128.40 is: 61,055,689,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,026,736,411.60 : 193,540,104,617.40 = 40,703,793,128.40 : x
  2. Step 2: Convert to fraction form
    129,026,736,411.60/193,540,104,617.40 = 40,703,793,128.40/x
  3. Step 3: Cross multiply
    129,026,736,411.60x = 193,540,104,617.40 × 40,703,793,128.40
  4. Step 4: Simplify right side
    129,026,736,411.60x = 7,877,816,380,395,542,806,528
  5. Step 5: Solve for x
    x = 7,877,816,380,395,542,806,528/129,026,736,411.60
  6. Step 6: Final answer
    x = 61,055,689,692.60

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1.5x scale

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.