Home / 81,712,750,952.10-112,763,283,215.44-45,583,754,601.68

Finding the Fourth Proportional to 81,712,750,952.10, 112,763,283,215.44 and 45,583,754,601.68

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Solution

The fourth proportional to 81,712,750,952.10, 112,763,283,215.44 and 45,583,754,601.68 is: 62,905,406,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,712,750,952.10 : 112,763,283,215.44 = 45,583,754,601.68 : x
  2. Step 2: Convert to fraction form
    81,712,750,952.10/112,763,283,215.44 = 45,583,754,601.68/x
  3. Step 3: Cross multiply
    81,712,750,952.10x = 112,763,283,215.44 × 45,583,754,601.68
  4. Step 4: Simplify right side
    81,712,750,952.10x = 5,140,173,830,172,358,737,920
  5. Step 5: Solve for x
    x = 5,140,173,830,172,358,737,920/81,712,750,952.10
  6. Step 6: Final answer
    x = 62,905,406,687.21

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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.