Home / 106,755,640.80-160,133,461.20-99,102,890.40

Finding the Fourth Proportional to 106,755,640.80, 160,133,461.20 and 99,102,890.40

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Solution

The fourth proportional to 106,755,640.80, 160,133,461.20 and 99,102,890.40 is: 148,654,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,755,640.80 : 160,133,461.20 = 99,102,890.40 : x
  2. Step 2: Convert to fraction form
    106,755,640.80/160,133,461.20 = 99,102,890.40/x
  3. Step 3: Cross multiply
    106,755,640.80x = 160,133,461.20 × 99,102,890.40
  4. Step 4: Simplify right side
    106,755,640.80x = 15,869,688,854,676,252
  5. Step 5: Solve for x
    x = 15,869,688,854,676,252/106,755,640.80
  6. Step 6: Final answer
    x = 148,654,335.60

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1.5x scale

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.