Home / 92,656,143.40-127,812,353.88-57,788,299.12

Finding the Fourth Proportional to 92,656,143.40, 127,812,353.88 and 57,788,299.12

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Solution

The fourth proportional to 92,656,143.40, 127,812,353.88 and 57,788,299.12 is: 79,714,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,656,143.40 : 127,812,353.88 = 57,788,299.12 : x
  2. Step 2: Convert to fraction form
    92,656,143.40/127,812,353.88 = 57,788,299.12/x
  3. Step 3: Cross multiply
    92,656,143.40x = 127,812,353.88 × 57,788,299.12
  4. Step 4: Simplify right side
    92,656,143.40x = 7,386,058,537,248,732
  5. Step 5: Solve for x
    x = 7,386,058,537,248,732/92,656,143.40
  6. Step 6: Final answer
    x = 79,714,720.11

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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.