Home / 103,864,719.88-143,319,278.10-59,216,452.84

Finding the Fourth Proportional to 103,864,719.88, 143,319,278.10 and 59,216,452.84

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Solution

The fourth proportional to 103,864,719.88, 143,319,278.10 and 59,216,452.84 is: 81,710,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,864,719.88 : 143,319,278.10 = 59,216,452.84 : x
  2. Step 2: Convert to fraction form
    103,864,719.88/143,319,278.10 = 59,216,452.84/x
  3. Step 3: Cross multiply
    103,864,719.88x = 143,319,278.10 × 59,216,452.84
  4. Step 4: Simplify right side
    103,864,719.88x = 8,486,859,272,671,495
  5. Step 5: Solve for x
    x = 8,486,859,272,671,495/103,864,719.88
  6. Step 6: Final answer
    x = 81,710,702.95

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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.