Home / 282,060,459.40-423,090,689.10-185,314,577.80

Finding the Fourth Proportional to 282,060,459.40, 423,090,689.10 and 185,314,577.80

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Solution

The fourth proportional to 282,060,459.40, 423,090,689.10 and 185,314,577.80 is: 277,971,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,060,459.40 : 423,090,689.10 = 185,314,577.80 : x
  2. Step 2: Convert to fraction form
    282,060,459.40/423,090,689.10 = 185,314,577.80/x
  3. Step 3: Cross multiply
    282,060,459.40x = 423,090,689.10 × 185,314,577.80
  4. Step 4: Simplify right side
    282,060,459.40x = 78,404,872,421,677,568
  5. Step 5: Solve for x
    x = 78,404,872,421,677,568/282,060,459.40
  6. Step 6: Final answer
    x = 277,971,866.70

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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.