Home / 153,914,030.64-212,404,798.94-87,833,213.28

Finding the Fourth Proportional to 153,914,030.64, 212,404,798.94 and 87,833,213.28

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Solution

The fourth proportional to 153,914,030.64, 212,404,798.94 and 87,833,213.28 is: 121,211,795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,914,030.64 : 212,404,798.94 = 87,833,213.28 : x
  2. Step 2: Convert to fraction form
    153,914,030.64/212,404,798.94 = 87,833,213.28/x
  3. Step 3: Cross multiply
    153,914,030.64x = 212,404,798.94 × 87,833,213.28
  4. Step 4: Simplify right side
    153,914,030.64x = 18,656,196,006,553,372
  5. Step 5: Solve for x
    x = 18,656,196,006,553,372/153,914,030.64
  6. Step 6: Final answer
    x = 121,211,795.50

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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.