Home / 117,338,330.40-176,175,457.20-66,319,994.40

Finding the Fourth Proportional to 117,338,330.40, 176,175,457.20 and 66,319,994.40

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Solution

The fourth proportional to 117,338,330.40, 176,175,457.20 and 66,319,994.40 is: 99,574,924.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,338,330.40 : 176,175,457.20 = 66,319,994.40 : x
  2. Step 2: Convert to fraction form
    117,338,330.40/176,175,457.20 = 66,319,994.40/x
  3. Step 3: Cross multiply
    117,338,330.40x = 176,175,457.20 × 66,319,994.40
  4. Step 4: Simplify right side
    117,338,330.40x = 11,683,955,334,921,438
  5. Step 5: Solve for x
    x = 11,683,955,334,921,438/117,338,330.40
  6. Step 6: Final answer
    x = 99,574,924.03

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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.