Home / 160,416,897.40-221,368,941.12-90,816,715.92

Finding the Fourth Proportional to 160,416,897.40, 221,368,941.12 and 90,816,715.92

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Solution

The fourth proportional to 160,416,897.40, 221,368,941.12 and 90,816,715.92 is: 125,323,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,416,897.40 : 221,368,941.12 = 90,816,715.92 : x
  2. Step 2: Convert to fraction form
    160,416,897.40/221,368,941.12 = 90,816,715.92/x
  3. Step 3: Cross multiply
    160,416,897.40x = 221,368,941.12 × 90,816,715.92
  4. Step 4: Simplify right side
    160,416,897.40x = 20,104,000,239,206,248
  5. Step 5: Solve for x
    x = 20,104,000,239,206,248/160,416,897.40
  6. Step 6: Final answer
    x = 125,323,457.60

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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.