Home / 314,936,729.40-472,405,094.10-99,525,977.40

Finding the Fourth Proportional to 314,936,729.40, 472,405,094.10 and 99,525,977.40

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Solution

The fourth proportional to 314,936,729.40, 472,405,094.10 and 99,525,977.40 is: 149,288,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,936,729.40 : 472,405,094.10 = 99,525,977.40 : x
  2. Step 2: Convert to fraction form
    314,936,729.40/472,405,094.10 = 99,525,977.40/x
  3. Step 3: Cross multiply
    314,936,729.40x = 472,405,094.10 × 99,525,977.40
  4. Step 4: Simplify right side
    314,936,729.40x = 47,016,578,719,041,480
  5. Step 5: Solve for x
    x = 47,016,578,719,041,480/314,936,729.40
  6. Step 6: Final answer
    x = 149,288,966.10

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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.