Home / 101,121,403.40-151,682,105.10-98,287,051.40

Finding the Fourth Proportional to 101,121,403.40, 151,682,105.10 and 98,287,051.40

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Solution

The fourth proportional to 101,121,403.40, 151,682,105.10 and 98,287,051.40 is: 147,430,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,121,403.40 : 151,682,105.10 = 98,287,051.40 : x
  2. Step 2: Convert to fraction form
    101,121,403.40/151,682,105.10 = 98,287,051.40/x
  3. Step 3: Cross multiply
    101,121,403.40x = 151,682,105.10 × 98,287,051.40
  4. Step 4: Simplify right side
    101,121,403.40x = 14,908,386,860,423,902
  5. Step 5: Solve for x
    x = 14,908,386,860,423,902/101,121,403.40
  6. Step 6: Final answer
    x = 147,430,577.10

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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.