Home / 140,537,455,355.58-193,941,688,390.68-80,390,424,438.33

Finding the Fourth Proportional to 140,537,455,355.58, 193,941,688,390.68 and 80,390,424,438.33

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Solution

The fourth proportional to 140,537,455,355.58, 193,941,688,390.68 and 80,390,424,438.33 is: 110,938,785,724.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,537,455,355.58 : 193,941,688,390.68 = 80,390,424,438.33 : x
  2. Step 2: Convert to fraction form
    140,537,455,355.58/193,941,688,390.68 = 80,390,424,438.33/x
  3. Step 3: Cross multiply
    140,537,455,355.58x = 193,941,688,390.68 × 80,390,424,438.33
  4. Step 4: Simplify right side
    140,537,455,355.58x = 15,591,054,646,013,683,826,688
  5. Step 5: Solve for x
    x = 15,591,054,646,013,683,826,688/140,537,455,355.58
  6. Step 6: Final answer
    x = 110,938,785,724.89

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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.