Home / 140,537,455,354.60-193,941,688,389.36-80,390,424,437.35

Finding the Fourth Proportional to 140,537,455,354.60, 193,941,688,389.36 and 80,390,424,437.35

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Solution

The fourth proportional to 140,537,455,354.60, 193,941,688,389.36 and 80,390,424,437.35 is: 110,938,785,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,537,455,354.60 : 193,941,688,389.36 = 80,390,424,437.35 : x
  2. Step 2: Convert to fraction form
    140,537,455,354.60/193,941,688,389.36 = 80,390,424,437.35/x
  3. Step 3: Cross multiply
    140,537,455,354.60x = 193,941,688,389.36 × 80,390,424,437.35
  4. Step 4: Simplify right side
    140,537,455,354.60x = 15,591,054,645,716,924,235,776
  5. Step 5: Solve for x
    x = 15,591,054,645,716,924,235,776/140,537,455,354.60
  6. Step 6: Final answer
    x = 110,938,785,723.55

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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.