Home / 105,776,165.40-158,664,248.10-87,860,261.40

Finding the Fourth Proportional to 105,776,165.40, 158,664,248.10 and 87,860,261.40

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Solution

The fourth proportional to 105,776,165.40, 158,664,248.10 and 87,860,261.40 is: 131,790,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,776,165.40 : 158,664,248.10 = 87,860,261.40 : x
  2. Step 2: Convert to fraction form
    105,776,165.40/158,664,248.10 = 87,860,261.40/x
  3. Step 3: Cross multiply
    105,776,165.40x = 158,664,248.10 × 87,860,261.40
  4. Step 4: Simplify right side
    105,776,165.40x = 13,940,282,312,900,454
  5. Step 5: Solve for x
    x = 13,940,282,312,900,454/105,776,165.40
  6. Step 6: Final answer
    x = 131,790,392.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.