Home / 120,775,209.60-181,257,292.80-56,087,030.10

Finding the Fourth Proportional to 120,775,209.60, 181,257,292.80 and 56,087,030.10

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Solution

The fourth proportional to 120,775,209.60, 181,257,292.80 and 56,087,030.10 is: 84,174,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,775,209.60 : 181,257,292.80 = 56,087,030.10 : x
  2. Step 2: Convert to fraction form
    120,775,209.60/181,257,292.80 = 56,087,030.10/x
  3. Step 3: Cross multiply
    120,775,209.60x = 181,257,292.80 × 56,087,030.10
  4. Step 4: Simplify right side
    120,775,209.60x = 10,166,183,237,118,114
  5. Step 5: Solve for x
    x = 10,166,183,237,118,114/120,775,209.60
  6. Step 6: Final answer
    x = 84,174,420.15

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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.