Home / 51,255,001,288.45-70,731,877,176.54-30,655,190,817.51

Finding the Fourth Proportional to 51,255,001,288.45, 70,731,877,176.54 and 30,655,190,817.51

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Solution

The fourth proportional to 51,255,001,288.45, 70,731,877,176.54 and 30,655,190,817.51 is: 42,304,148,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,255,001,288.45 : 70,731,877,176.54 = 30,655,190,817.51 : x
  2. Step 2: Convert to fraction form
    51,255,001,288.45/70,731,877,176.54 = 30,655,190,817.51/x
  3. Step 3: Cross multiply
    51,255,001,288.45x = 70,731,877,176.54 × 30,655,190,817.51
  4. Step 4: Simplify right side
    51,255,001,288.45x = 2,168,299,191,727,160,295,424
  5. Step 5: Solve for x
    x = 2,168,299,191,727,160,295,424/51,255,001,288.45
  6. Step 6: Final answer
    x = 42,304,148,614.19

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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.