Home / 89,521,159,792.68-123,594,953,817.20-56,986,730,555.68

Finding the Fourth Proportional to 89,521,159,792.68, 123,594,953,817.20 and 56,986,730,555.68

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Solution

The fourth proportional to 89,521,159,792.68, 123,594,953,817.20 and 56,986,730,555.68 is: 78,677,179,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,521,159,792.68 : 123,594,953,817.20 = 56,986,730,555.68 : x
  2. Step 2: Convert to fraction form
    89,521,159,792.68/123,594,953,817.20 = 56,986,730,555.68/x
  3. Step 3: Cross multiply
    89,521,159,792.68x = 123,594,953,817.20 × 56,986,730,555.68
  4. Step 4: Simplify right side
    89,521,159,792.68x = 7,043,272,331,222,490,021,888
  5. Step 5: Solve for x
    x = 7,043,272,331,222,490,021,888/89,521,159,792.68
  6. Step 6: Final answer
    x = 78,677,179,200.25

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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.