Home / 71,830,853.40-107,746,280.10-70,697,112.60

Finding the Fourth Proportional to 71,830,853.40, 107,746,280.10 and 70,697,112.60

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Solution

The fourth proportional to 71,830,853.40, 107,746,280.10 and 70,697,112.60 is: 106,045,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,830,853.40 : 107,746,280.10 = 70,697,112.60 : x
  2. Step 2: Convert to fraction form
    71,830,853.40/107,746,280.10 = 70,697,112.60/x
  3. Step 3: Cross multiply
    71,830,853.40x = 107,746,280.10 × 70,697,112.60
  4. Step 4: Simplify right side
    71,830,853.40x = 7,617,350,896,460,838
  5. Step 5: Solve for x
    x = 7,617,350,896,460,838/71,830,853.40
  6. Step 6: Final answer
    x = 106,045,668.90

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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.