Home / 145,159,968.30-217,739,956.05-145,159,968.30

Finding the Fourth Proportional to 145,159,968.30, 217,739,956.05 and 145,159,968.30

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Solution

The fourth proportional to 145,159,968.30, 217,739,956.05 and 145,159,968.30 is: 217,739,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,159,968.30 : 217,739,956.05 = 145,159,968.30 : x
  2. Step 2: Convert to fraction form
    145,159,968.30/217,739,956.05 = 145,159,968.30/x
  3. Step 3: Cross multiply
    145,159,968.30x = 217,739,956.05 × 145,159,968.30
  4. Step 4: Simplify right side
    145,159,968.30x = 31,607,125,117,861,396
  5. Step 5: Solve for x
    x = 31,607,125,117,861,396/145,159,968.30
  6. Step 6: Final answer
    x = 217,739,956.05

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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.