Home / 314,936,649.40-472,404,974.10-99,525,897.40

Finding the Fourth Proportional to 314,936,649.40, 472,404,974.10 and 99,525,897.40

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Solution

The fourth proportional to 314,936,649.40, 472,404,974.10 and 99,525,897.40 is: 149,288,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,936,649.40 : 472,404,974.10 = 99,525,897.40 : x
  2. Step 2: Convert to fraction form
    314,936,649.40/472,404,974.10 = 99,525,897.40/x
  3. Step 3: Cross multiply
    314,936,649.40x = 472,404,974.10 × 99,525,897.40
  4. Step 4: Simplify right side
    314,936,649.40x = 47,016,528,983,526,264
  5. Step 5: Solve for x
    x = 47,016,528,983,526,264/314,936,649.40
  6. Step 6: Final answer
    x = 149,288,846.10

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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.