Home / 140,537,455,355.60-193,941,688,390.74-80,390,424,438.35

Finding the Fourth Proportional to 140,537,455,355.60, 193,941,688,390.74 and 80,390,424,438.35

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Solution

The fourth proportional to 140,537,455,355.60, 193,941,688,390.74 and 80,390,424,438.35 is: 110,938,785,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,537,455,355.60 : 193,941,688,390.74 = 80,390,424,438.35 : x
  2. Step 2: Convert to fraction form
    140,537,455,355.60/193,941,688,390.74 = 80,390,424,438.35/x
  3. Step 3: Cross multiply
    140,537,455,355.60x = 193,941,688,390.74 × 80,390,424,438.35
  4. Step 4: Simplify right side
    140,537,455,355.60x = 15,591,054,646,021,806,096,384
  5. Step 5: Solve for x
    x = 15,591,054,646,021,806,096,384/140,537,455,355.60
  6. Step 6: Final answer
    x = 110,938,785,724.93

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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.