Home / 191,852,392.20-287,715,602.70-70,668,097.80

Finding the Fourth Proportional to 191,852,392.20, 287,715,602.70 and 70,668,097.80

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Solution

The fourth proportional to 191,852,392.20, 287,715,602.70 and 70,668,097.80 is: 105,978,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,852,392.20 : 287,715,602.70 = 70,668,097.80 : x
  2. Step 2: Convert to fraction form
    191,852,392.20/287,715,602.70 = 70,668,097.80/x
  3. Step 3: Cross multiply
    191,852,392.20x = 287,715,602.70 × 70,668,097.80
  4. Step 4: Simplify right side
    191,852,392.20x = 20,332,314,350,189,544
  5. Step 5: Solve for x
    x = 20,332,314,350,189,544/191,852,392.20
  6. Step 6: Final answer
    x = 105,978,946.19

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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.