Home / 98,661,900.32-147,989,302.64-25,878,099.68

Finding the Fourth Proportional to 98,661,900.32, 147,989,302.64 and 25,878,099.68

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Solution

The fourth proportional to 98,661,900.32, 147,989,302.64 and 25,878,099.68 is: 38,816,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,661,900.32 : 147,989,302.64 = 25,878,099.68 : x
  2. Step 2: Convert to fraction form
    98,661,900.32/147,989,302.64 = 25,878,099.68/x
  3. Step 3: Cross multiply
    98,661,900.32x = 147,989,302.64 × 25,878,099.68
  4. Step 4: Simplify right side
    98,661,900.32x = 3,829,681,925,291,606.50
  5. Step 5: Solve for x
    x = 3,829,681,925,291,606.50/98,661,900.32
  6. Step 6: Final answer
    x = 38,816,218.95

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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.