Home / 160,416,894.90-221,368,937.67-90,816,713.40

Finding the Fourth Proportional to 160,416,894.90, 221,368,937.67 and 90,816,713.40

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Solution

The fourth proportional to 160,416,894.90, 221,368,937.67 and 90,816,713.40 is: 125,323,454.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,416,894.90 : 221,368,937.67 = 90,816,713.40 : x
  2. Step 2: Convert to fraction form
    160,416,894.90/221,368,937.67 = 90,816,713.40/x
  3. Step 3: Cross multiply
    160,416,894.90x = 221,368,937.67 × 90,816,713.40
  4. Step 4: Simplify right side
    160,416,894.90x = 20,103,999,368,038,852
  5. Step 5: Solve for x
    x = 20,103,999,368,038,852/160,416,894.90
  6. Step 6: Final answer
    x = 125,323,454.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.