Home / 153,827,983.72-212,426,511.78-98,919,240.04

Finding the Fourth Proportional to 153,827,983.72, 212,426,511.78 and 98,919,240.04

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Solution

The fourth proportional to 153,827,983.72, 212,426,511.78 and 98,919,240.04 is: 136,601,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,827,983.72 : 212,426,511.78 = 98,919,240.04 : x
  2. Step 2: Convert to fraction form
    153,827,983.72/212,426,511.78 = 98,919,240.04/x
  3. Step 3: Cross multiply
    153,827,983.72x = 212,426,511.78 × 98,919,240.04
  4. Step 4: Simplify right side
    153,827,983.72x = 21,013,069,109,625,708
  5. Step 5: Solve for x
    x = 21,013,069,109,625,708/153,827,983.72
  6. Step 6: Final answer
    x = 136,601,082.60

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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.