Home / 217,848,001.20-326,772,001.80-194,039,444.40

Finding the Fourth Proportional to 217,848,001.20, 326,772,001.80 and 194,039,444.40

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Solution

The fourth proportional to 217,848,001.20, 326,772,001.80 and 194,039,444.40 is: 291,059,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,848,001.20 : 326,772,001.80 = 194,039,444.40 : x
  2. Step 2: Convert to fraction form
    217,848,001.20/326,772,001.80 = 194,039,444.40/x
  3. Step 3: Cross multiply
    217,848,001.20x = 326,772,001.80 × 194,039,444.40
  4. Step 4: Simplify right side
    217,848,001.20x = 63,406,657,674,747,808
  5. Step 5: Solve for x
    x = 63,406,657,674,747,808/217,848,001.20
  6. Step 6: Final answer
    x = 291,059,166.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.