Home / 121,241,445.80-181,862,168.70-59,860,010.30

Finding the Fourth Proportional to 121,241,445.80, 181,862,168.70 and 59,860,010.30

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Solution

The fourth proportional to 121,241,445.80, 181,862,168.70 and 59,860,010.30 is: 89,790,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,241,445.80 : 181,862,168.70 = 59,860,010.30 : x
  2. Step 2: Convert to fraction form
    121,241,445.80/181,862,168.70 = 59,860,010.30/x
  3. Step 3: Cross multiply
    121,241,445.80x = 181,862,168.70 × 59,860,010.30
  4. Step 4: Simplify right side
    121,241,445.80x = 10,886,271,291,562,336
  5. Step 5: Solve for x
    x = 10,886,271,291,562,336/121,241,445.80
  6. Step 6: Final answer
    x = 89,790,015.45

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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.