Home / 173,478,161.16-239,397,628.92-99,137,870.40

Finding the Fourth Proportional to 173,478,161.16, 239,397,628.92 and 99,137,870.40

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Solution

The fourth proportional to 173,478,161.16, 239,397,628.92 and 99,137,870.40 is: 136,808,984.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,478,161.16 : 239,397,628.92 = 99,137,870.40 : x
  2. Step 2: Convert to fraction form
    173,478,161.16/239,397,628.92 = 99,137,870.40/x
  3. Step 3: Cross multiply
    173,478,161.16x = 239,397,628.92 × 99,137,870.40
  4. Step 4: Simplify right side
    173,478,161.16x = 23,733,371,109,938,252
  5. Step 5: Solve for x
    x = 23,733,371,109,938,252/173,478,161.16
  6. Step 6: Final answer
    x = 136,808,984.78

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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.