Home / 72,475,176.03-99,977,629.65-43,085,603.01

Finding the Fourth Proportional to 72,475,176.03, 99,977,629.65 and 43,085,603.01

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Solution

The fourth proportional to 72,475,176.03, 99,977,629.65 and 43,085,603.01 is: 59,435,474.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,475,176.03 : 99,977,629.65 = 43,085,603.01 : x
  2. Step 2: Convert to fraction form
    72,475,176.03/99,977,629.65 = 43,085,603.01/x
  3. Step 3: Cross multiply
    72,475,176.03x = 99,977,629.65 × 43,085,603.01
  4. Step 4: Simplify right side
    72,475,176.03x = 4,307,596,460,980,705.50
  5. Step 5: Solve for x
    x = 4,307,596,460,980,705.50/72,475,176.03
  6. Step 6: Final answer
    x = 59,435,474.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.