Home / 153,252,608.16-211,460,752.92-90,538,916.64

Finding the Fourth Proportional to 153,252,608.16, 211,460,752.92 and 90,538,916.64

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Solution

The fourth proportional to 153,252,608.16, 211,460,752.92 and 90,538,916.64 is: 124,927,253.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,252,608.16 : 211,460,752.92 = 90,538,916.64 : x
  2. Step 2: Convert to fraction form
    153,252,608.16/211,460,752.92 = 90,538,916.64/x
  3. Step 3: Cross multiply
    153,252,608.16x = 211,460,752.92 × 90,538,916.64
  4. Step 4: Simplify right side
    153,252,608.16x = 19,145,427,481,255,516
  5. Step 5: Solve for x
    x = 19,145,427,481,255,516/153,252,608.16
  6. Step 6: Final answer
    x = 124,927,253.84

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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.