Home / 122,636,335.80-183,730,554.90-99,793,558.20

Finding the Fourth Proportional to 122,636,335.80, 183,730,554.90 and 99,793,558.20

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Solution

The fourth proportional to 122,636,335.80, 183,730,554.90 and 99,793,558.20 is: 149,508,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,636,335.80 : 183,730,554.90 = 99,793,558.20 : x
  2. Step 2: Convert to fraction form
    122,636,335.80/183,730,554.90 = 99,793,558.20/x
  3. Step 3: Cross multiply
    122,636,335.80x = 183,730,554.90 × 99,793,558.20
  4. Step 4: Simplify right side
    122,636,335.80x = 18,335,125,823,531,448
  5. Step 5: Solve for x
    x = 18,335,125,823,531,448/122,636,335.80
  6. Step 6: Final answer
    x = 149,508,102.18

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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.