Home / 120,852,231.60-181,278,347.40-101,720,355.60

Finding the Fourth Proportional to 120,852,231.60, 181,278,347.40 and 101,720,355.60

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Solution

The fourth proportional to 120,852,231.60, 181,278,347.40 and 101,720,355.60 is: 152,580,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,852,231.60 : 181,278,347.40 = 101,720,355.60 : x
  2. Step 2: Convert to fraction form
    120,852,231.60/181,278,347.40 = 101,720,355.60/x
  3. Step 3: Cross multiply
    120,852,231.60x = 181,278,347.40 × 101,720,355.60
  4. Step 4: Simplify right side
    120,852,231.60x = 18,439,697,960,108,336
  5. Step 5: Solve for x
    x = 18,439,697,960,108,336/120,852,231.60
  6. Step 6: Final answer
    x = 152,580,533.40

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1.5x scale

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.