Home / 117,402,428.20-176,103,642.30-73,753,407.40

Finding the Fourth Proportional to 117,402,428.20, 176,103,642.30 and 73,753,407.40

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Solution

The fourth proportional to 117,402,428.20, 176,103,642.30 and 73,753,407.40 is: 110,630,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,402,428.20 : 176,103,642.30 = 73,753,407.40 : x
  2. Step 2: Convert to fraction form
    117,402,428.20/176,103,642.30 = 73,753,407.40/x
  3. Step 3: Cross multiply
    117,402,428.20x = 176,103,642.30 × 73,753,407.40
  4. Step 4: Simplify right side
    117,402,428.20x = 12,988,243,675,175,774
  5. Step 5: Solve for x
    x = 12,988,243,675,175,774/117,402,428.20
  6. Step 6: Final answer
    x = 110,630,111.10

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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.