Home / 311,539,428-467,209,758.96-107,018,186.40

Finding the Fourth Proportional to 311,539,428, 467,209,758.96 and 107,018,186.40

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Solution

The fourth proportional to 311,539,428, 467,209,758.96 and 107,018,186.40 is: 160,493,140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,539,428 : 467,209,758.96 = 107,018,186.40 : x
  2. Step 2: Convert to fraction form
    311,539,428/467,209,758.96 = 107,018,186.40/x
  3. Step 3: Cross multiply
    311,539,428x = 467,209,758.96 × 107,018,186.40
  4. Step 4: Simplify right side
    311,539,428x = 49,999,941,072,280,352
  5. Step 5: Solve for x
    x = 49,999,941,072,280,352/311,539,428
  6. Step 6: Final answer
    x = 160,493,140.12

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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.