Home / 140,537,455,353.60-193,941,688,387.98-80,390,424,436.35

Finding the Fourth Proportional to 140,537,455,353.60, 193,941,688,387.98 and 80,390,424,436.35

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Solution

The fourth proportional to 140,537,455,353.60, 193,941,688,387.98 and 80,390,424,436.35 is: 110,938,785,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,537,455,353.60 : 193,941,688,387.98 = 80,390,424,436.35 : x
  2. Step 2: Convert to fraction form
    140,537,455,353.60/193,941,688,387.98 = 80,390,424,436.35/x
  3. Step 3: Cross multiply
    140,537,455,353.60x = 193,941,688,387.98 × 80,390,424,436.35
  4. Step 4: Simplify right side
    140,537,455,353.60x = 15,591,054,645,412,046,569,472
  5. Step 5: Solve for x
    x = 15,591,054,645,412,046,569,472/140,537,455,353.60
  6. Step 6: Final answer
    x = 110,938,785,722.17

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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.