Home / 144,149,510.25-216,302,980.55-61,138,350.45

Finding the Fourth Proportional to 144,149,510.25, 216,302,980.55 and 61,138,350.45

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Solution

The fourth proportional to 144,149,510.25, 216,302,980.55 and 61,138,350.45 is: 91,740,911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,149,510.25 : 216,302,980.55 = 61,138,350.45 : x
  2. Step 2: Convert to fraction form
    144,149,510.25/216,302,980.55 = 61,138,350.45/x
  3. Step 3: Cross multiply
    144,149,510.25x = 216,302,980.55 × 61,138,350.45
  4. Step 4: Simplify right side
    144,149,510.25x = 13,224,407,427,939,742
  5. Step 5: Solve for x
    x = 13,224,407,427,939,742/144,149,510.25
  6. Step 6: Final answer
    x = 91,740,911.26

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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.