Home / 177,639,971.61-245,068,095.46-118,921,554.89

Finding the Fourth Proportional to 177,639,971.61, 245,068,095.46 and 118,921,554.89

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Solution

The fourth proportional to 177,639,971.61, 245,068,095.46 and 118,921,554.89 is: 164,061,493.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,639,971.61 : 245,068,095.46 = 118,921,554.89 : x
  2. Step 2: Convert to fraction form
    177,639,971.61/245,068,095.46 = 118,921,554.89/x
  3. Step 3: Cross multiply
    177,639,971.61x = 245,068,095.46 × 118,921,554.89
  4. Step 4: Simplify right side
    177,639,971.61x = 29,143,878,966,034,152
  5. Step 5: Solve for x
    x = 29,143,878,966,034,152/177,639,971.61
  6. Step 6: Final answer
    x = 164,061,493.04

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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.