Home / 173,478,153.60-239,397,618.42-99,137,862.77

Finding the Fourth Proportional to 173,478,153.60, 239,397,618.42 and 99,137,862.77

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Solution

The fourth proportional to 173,478,153.60, 239,397,618.42 and 99,137,862.77 is: 136,808,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,478,153.60 : 239,397,618.42 = 99,137,862.77 : x
  2. Step 2: Convert to fraction form
    173,478,153.60/239,397,618.42 = 99,137,862.77/x
  3. Step 3: Cross multiply
    173,478,153.60x = 239,397,618.42 × 99,137,862.77
  4. Step 4: Simplify right side
    173,478,153.60x = 23,733,368,241,189,796
  5. Step 5: Solve for x
    x = 23,733,368,241,189,796/173,478,153.60
  6. Step 6: Final answer
    x = 136,808,974.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.