Home / 173,478,159.82-239,397,627.18-99,137,869.12

Finding the Fourth Proportional to 173,478,159.82, 239,397,627.18 and 99,137,869.12

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Solution

The fourth proportional to 173,478,159.82, 239,397,627.18 and 99,137,869.12 is: 136,808,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,478,159.82 : 239,397,627.18 = 99,137,869.12 : x
  2. Step 2: Convert to fraction form
    173,478,159.82/239,397,627.18 = 99,137,869.12/x
  3. Step 3: Cross multiply
    173,478,159.82x = 239,397,627.18 × 99,137,869.12
  4. Step 4: Simplify right side
    173,478,159.82x = 23,733,370,631,009,396
  5. Step 5: Solve for x
    x = 23,733,370,631,009,396/173,478,159.82
  6. Step 6: Final answer
    x = 136,808,983.08

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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.