Home / 105,186,084.17-157,779,127.62-28,509,112.40

Finding the Fourth Proportional to 105,186,084.17, 157,779,127.62 and 28,509,112.40

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Solution

The fourth proportional to 105,186,084.17, 157,779,127.62 and 28,509,112.40 is: 42,763,668.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,186,084.17 : 157,779,127.62 = 28,509,112.40 : x
  2. Step 2: Convert to fraction form
    105,186,084.17/157,779,127.62 = 28,509,112.40/x
  3. Step 3: Cross multiply
    105,186,084.17x = 157,779,127.62 × 28,509,112.40
  4. Step 4: Simplify right side
    105,186,084.17x = 4,498,142,882,903,629
  5. Step 5: Solve for x
    x = 4,498,142,882,903,629/105,186,084.17
  6. Step 6: Final answer
    x = 42,763,668.96

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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.