Home / 208,457,017-312,482,189.14-99,252,846.16

Finding the Fourth Proportional to 208,457,017, 312,482,189.14 and 99,252,846.16

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Solution

The fourth proportional to 208,457,017, 312,482,189.14 and 99,252,846.16 is: 148,782,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,457,017 : 312,482,189.14 = 99,252,846.16 : x
  2. Step 2: Convert to fraction form
    208,457,017/312,482,189.14 = 99,252,846.16/x
  3. Step 3: Cross multiply
    208,457,017x = 312,482,189.14 × 99,252,846.16
  4. Step 4: Simplify right side
    208,457,017x = 31,014,746,646,452,440
  5. Step 5: Solve for x
    x = 31,014,746,646,452,440/208,457,017
  6. Step 6: Final answer
    x = 148,782,454.50

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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.