Home / 52,208,181.80-78,312,272.70-38,771,253.80

Finding the Fourth Proportional to 52,208,181.80, 78,312,272.70 and 38,771,253.80

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Solution

The fourth proportional to 52,208,181.80, 78,312,272.70 and 38,771,253.80 is: 58,156,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,208,181.80 : 78,312,272.70 = 38,771,253.80 : x
  2. Step 2: Convert to fraction form
    52,208,181.80/78,312,272.70 = 38,771,253.80/x
  3. Step 3: Cross multiply
    52,208,181.80x = 78,312,272.70 × 38,771,253.80
  4. Step 4: Simplify right side
    52,208,181.80x = 3,036,265,000,506,511
  5. Step 5: Solve for x
    x = 3,036,265,000,506,511/52,208,181.80
  6. Step 6: Final answer
    x = 58,156,880.70

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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.