Home / 247,421,000,171.70-370,931,221,837.40-77,353,048,453.06

Finding the Fourth Proportional to 247,421,000,171.70, 370,931,221,837.40 and 77,353,048,453.06

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Solution

The fourth proportional to 247,421,000,171.70, 370,931,221,837.40 and 77,353,048,453.06 is: 115,966,958,162.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,421,000,171.70 : 370,931,221,837.40 = 77,353,048,453.06 : x
  2. Step 2: Convert to fraction form
    247,421,000,171.70/370,931,221,837.40 = 77,353,048,453.06/x
  3. Step 3: Cross multiply
    247,421,000,171.70x = 370,931,221,837.40 × 77,353,048,453.06
  4. Step 4: Simplify right side
    247,421,000,171.70x = 28,692,660,775,539,294,863,360
  5. Step 5: Solve for x
    x = 28,692,660,775,539,294,863,360/247,421,000,171.70
  6. Step 6: Final answer
    x = 115,966,958,162.92

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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.