Home / 99,661,722.10-149,492,583.15-98,989,875.70

Finding the Fourth Proportional to 99,661,722.10, 149,492,583.15 and 98,989,875.70

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Solution

The fourth proportional to 99,661,722.10, 149,492,583.15 and 98,989,875.70 is: 148,484,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,661,722.10 : 149,492,583.15 = 98,989,875.70 : x
  2. Step 2: Convert to fraction form
    99,661,722.10/149,492,583.15 = 98,989,875.70/x
  3. Step 3: Cross multiply
    99,661,722.10x = 149,492,583.15 × 98,989,875.70
  4. Step 4: Simplify right side
    99,661,722.10x = 14,798,252,224,090,416
  5. Step 5: Solve for x
    x = 14,798,252,224,090,416/99,661,722.10
  6. Step 6: Final answer
    x = 148,484,813.55

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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.