Home / 74,101,746.90-111,072,904.20-28,025,812.20

Finding the Fourth Proportional to 74,101,746.90, 111,072,904.20 and 28,025,812.20

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Solution

The fourth proportional to 74,101,746.90, 111,072,904.20 and 28,025,812.20 is: 42,008,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,101,746.90 : 111,072,904.20 = 28,025,812.20 : x
  2. Step 2: Convert to fraction form
    74,101,746.90/111,072,904.20 = 28,025,812.20/x
  3. Step 3: Cross multiply
    74,101,746.90x = 111,072,904.20 × 28,025,812.20
  4. Step 4: Simplify right side
    74,101,746.90x = 3,112,908,353,617,791
  5. Step 5: Solve for x
    x = 3,112,908,353,617,791/74,101,746.90
  6. Step 6: Final answer
    x = 42,008,569.08

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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.