Home / 109,942,088.10-164,913,132.15-77,693,460.90

Finding the Fourth Proportional to 109,942,088.10, 164,913,132.15 and 77,693,460.90

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Solution

The fourth proportional to 109,942,088.10, 164,913,132.15 and 77,693,460.90 is: 116,540,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,942,088.10 : 164,913,132.15 = 77,693,460.90 : x
  2. Step 2: Convert to fraction form
    109,942,088.10/164,913,132.15 = 77,693,460.90/x
  3. Step 3: Cross multiply
    109,942,088.10x = 164,913,132.15 × 77,693,460.90
  4. Step 4: Simplify right side
    109,942,088.10x = 12,812,671,984,592,560
  5. Step 5: Solve for x
    x = 12,812,671,984,592,560/109,942,088.10
  6. Step 6: Final answer
    x = 116,540,191.35

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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.