Home / 81,712,750,952.61-112,763,283,216.14-45,583,754,602.18

Finding the Fourth Proportional to 81,712,750,952.61, 112,763,283,216.14 and 45,583,754,602.18

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Solution

The fourth proportional to 81,712,750,952.61, 112,763,283,216.14 and 45,583,754,602.18 is: 62,905,406,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,712,750,952.61 : 112,763,283,216.14 = 45,583,754,602.18 : x
  2. Step 2: Convert to fraction form
    81,712,750,952.61/112,763,283,216.14 = 45,583,754,602.18/x
  3. Step 3: Cross multiply
    81,712,750,952.61x = 112,763,283,216.14 × 45,583,754,602.18
  4. Step 4: Simplify right side
    81,712,750,952.61x = 5,140,173,830,260,648,837,120
  5. Step 5: Solve for x
    x = 5,140,173,830,260,648,837,120/81,712,750,952.61
  6. Step 6: Final answer
    x = 62,905,406,687.90

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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.