Home / 105,732,276.35-145,919,774.16-61,693,462.89

Finding the Fourth Proportional to 105,732,276.35, 145,919,774.16 and 61,693,462.89

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Solution

The fourth proportional to 105,732,276.35, 145,919,774.16 and 61,693,462.89 is: 85,142,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,732,276.35 : 145,919,774.16 = 61,693,462.89 : x
  2. Step 2: Convert to fraction form
    105,732,276.35/145,919,774.16 = 61,693,462.89/x
  3. Step 3: Cross multiply
    105,732,276.35x = 145,919,774.16 × 61,693,462.89
  4. Step 4: Simplify right side
    105,732,276.35x = 9,002,296,172,057,141
  5. Step 5: Solve for x
    x = 9,002,296,172,057,141/105,732,276.35
  6. Step 6: Final answer
    x = 85,142,366.01

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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.