Home / 129,249,165.20-193,968,226.20-90,985,413.20

Finding the Fourth Proportional to 129,249,165.20, 193,968,226.20 and 90,985,413.20

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Solution

The fourth proportional to 129,249,165.20, 193,968,226.20 and 90,985,413.20 is: 136,544,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,249,165.20 : 193,968,226.20 = 90,985,413.20 : x
  2. Step 2: Convert to fraction form
    129,249,165.20/193,968,226.20 = 90,985,413.20/x
  3. Step 3: Cross multiply
    129,249,165.20x = 193,968,226.20 × 90,985,413.20
  4. Step 4: Simplify right side
    129,249,165.20x = 17,648,279,208,478,066
  5. Step 5: Solve for x
    x = 17,648,279,208,478,066/129,249,165.20
  6. Step 6: Final answer
    x = 136,544,628.21

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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.