Home / 424,103,038.12-636,083,697.30-117,426,151.72

Finding the Fourth Proportional to 424,103,038.12, 636,083,697.30 and 117,426,151.72

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Solution

The fourth proportional to 424,103,038.12, 636,083,697.30 and 117,426,151.72 is: 176,119,607.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,103,038.12 : 636,083,697.30 = 117,426,151.72 : x
  2. Step 2: Convert to fraction form
    424,103,038.12/636,083,697.30 = 117,426,151.72/x
  3. Step 3: Cross multiply
    424,103,038.12x = 636,083,697.30 × 117,426,151.72
  4. Step 4: Simplify right side
    424,103,038.12x = 74,692,860,745,768,352
  5. Step 5: Solve for x
    x = 74,692,860,745,768,352/424,103,038.12
  6. Step 6: Final answer
    x = 176,119,607.81

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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.