Home / 120,852,133.10-181,278,199.65-101,720,257.10

Finding the Fourth Proportional to 120,852,133.10, 181,278,199.65 and 101,720,257.10

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Solution

The fourth proportional to 120,852,133.10, 181,278,199.65 and 101,720,257.10 is: 152,580,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,852,133.10 : 181,278,199.65 = 101,720,257.10 : x
  2. Step 2: Convert to fraction form
    120,852,133.10/181,278,199.65 = 101,720,257.10/x
  3. Step 3: Cross multiply
    120,852,133.10x = 181,278,199.65 × 101,720,257.10
  4. Step 4: Simplify right side
    120,852,133.10x = 18,439,665,075,023,128
  5. Step 5: Solve for x
    x = 18,439,665,075,023,128/120,852,133.10
  6. Step 6: Final answer
    x = 152,580,385.65

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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.