Home / 47,977,389.90-71,966,084.85-39,368,045.70

Finding the Fourth Proportional to 47,977,389.90, 71,966,084.85 and 39,368,045.70

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Solution

The fourth proportional to 47,977,389.90, 71,966,084.85 and 39,368,045.70 is: 59,052,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,977,389.90 : 71,966,084.85 = 39,368,045.70 : x
  2. Step 2: Convert to fraction form
    47,977,389.90/71,966,084.85 = 39,368,045.70/x
  3. Step 3: Cross multiply
    47,977,389.90x = 71,966,084.85 × 39,368,045.70
  4. Step 4: Simplify right side
    47,977,389.90x = 2,833,164,117,224,877.50
  5. Step 5: Solve for x
    x = 2,833,164,117,224,877.50/47,977,389.90
  6. Step 6: Final answer
    x = 59,052,068.55

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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.