Home / 209,836,097.10-314,754,145.65-66,228,929.10

Finding the Fourth Proportional to 209,836,097.10, 314,754,145.65 and 66,228,929.10

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Solution

The fourth proportional to 209,836,097.10, 314,754,145.65 and 66,228,929.10 is: 99,343,393.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,836,097.10 : 314,754,145.65 = 66,228,929.10 : x
  2. Step 2: Convert to fraction form
    209,836,097.10/314,754,145.65 = 66,228,929.10/x
  3. Step 3: Cross multiply
    209,836,097.10x = 314,754,145.65 × 66,228,929.10
  4. Step 4: Simplify right side
    209,836,097.10x = 20,845,829,996,184,924
  5. Step 5: Solve for x
    x = 20,845,829,996,184,924/209,836,097.10
  6. Step 6: Final answer
    x = 99,343,393.65

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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.