Home / 124,843,646.67-172,283,982.80-69,839,503.17

Finding the Fourth Proportional to 124,843,646.67, 172,283,982.80 and 69,839,503.17

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Solution

The fourth proportional to 124,843,646.67, 172,283,982.80 and 69,839,503.17 is: 96,378,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,843,646.67 : 172,283,982.80 = 69,839,503.17 : x
  2. Step 2: Convert to fraction form
    124,843,646.67/172,283,982.80 = 69,839,503.17/x
  3. Step 3: Cross multiply
    124,843,646.67x = 172,283,982.80 × 69,839,503.17
  4. Step 4: Simplify right side
    124,843,646.67x = 12,032,227,762,551,628
  5. Step 5: Solve for x
    x = 12,032,227,762,551,628/124,843,646.67
  6. Step 6: Final answer
    x = 96,378,374.74

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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.