Home / 98,125,243,610.60-147,187,865,415.90-42,254,496,986.60

Finding the Fourth Proportional to 98,125,243,610.60, 147,187,865,415.90 and 42,254,496,986.60

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Solution

The fourth proportional to 98,125,243,610.60, 147,187,865,415.90 and 42,254,496,986.60 is: 63,381,745,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,125,243,610.60 : 147,187,865,415.90 = 42,254,496,986.60 : x
  2. Step 2: Convert to fraction form
    98,125,243,610.60/147,187,865,415.90 = 42,254,496,986.60/x
  3. Step 3: Cross multiply
    98,125,243,610.60x = 147,187,865,415.90 × 42,254,496,986.60
  4. Step 4: Simplify right side
    98,125,243,610.60x = 6,219,349,215,680,232,685,568
  5. Step 5: Solve for x
    x = 6,219,349,215,680,232,685,568/98,125,243,610.60
  6. Step 6: Final answer
    x = 63,381,745,479.90

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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.