Home / 102,710,864.64-141,658,342.08-90,294,410.88

Finding the Fourth Proportional to 102,710,864.64, 141,658,342.08 and 90,294,410.88

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Solution

The fourth proportional to 102,710,864.64, 141,658,342.08 and 90,294,410.88 is: 124,533,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,710,864.64 : 141,658,342.08 = 90,294,410.88 : x
  2. Step 2: Convert to fraction form
    102,710,864.64/141,658,342.08 = 90,294,410.88/x
  3. Step 3: Cross multiply
    102,710,864.64x = 141,658,342.08 × 90,294,410.88
  4. Step 4: Simplify right side
    102,710,864.64x = 12,790,956,544,351,114
  5. Step 5: Solve for x
    x = 12,790,956,544,351,114/102,710,864.64
  6. Step 6: Final answer
    x = 124,533,627.37

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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.