Home / 74,372,603.20-111,558,904.80-52,689,810.40

Finding the Fourth Proportional to 74,372,603.20, 111,558,904.80 and 52,689,810.40

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Solution

The fourth proportional to 74,372,603.20, 111,558,904.80 and 52,689,810.40 is: 79,034,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,372,603.20 : 111,558,904.80 = 52,689,810.40 : x
  2. Step 2: Convert to fraction form
    74,372,603.20/111,558,904.80 = 52,689,810.40/x
  3. Step 3: Cross multiply
    74,372,603.20x = 111,558,904.80 × 52,689,810.40
  4. Step 4: Simplify right side
    74,372,603.20x = 5,878,017,542,343,650
  5. Step 5: Solve for x
    x = 5,878,017,542,343,650/74,372,603.20
  6. Step 6: Final answer
    x = 79,034,715.60

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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.