Home / 100,724,672.70-151,087,009.05-70,113,671.10

Finding the Fourth Proportional to 100,724,672.70, 151,087,009.05 and 70,113,671.10

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Solution

The fourth proportional to 100,724,672.70, 151,087,009.05 and 70,113,671.10 is: 105,170,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,724,672.70 : 151,087,009.05 = 70,113,671.10 : x
  2. Step 2: Convert to fraction form
    100,724,672.70/151,087,009.05 = 70,113,671.10/x
  3. Step 3: Cross multiply
    100,724,672.70x = 151,087,009.05 × 70,113,671.10
  4. Step 4: Simplify right side
    100,724,672.70x = 10,593,264,860,014,424
  5. Step 5: Solve for x
    x = 10,593,264,860,014,424/100,724,672.70
  6. Step 6: Final answer
    x = 105,170,506.65

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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.