Home / 163,377,291.60-245,065,937.40-102,911,115.60

Finding the Fourth Proportional to 163,377,291.60, 245,065,937.40 and 102,911,115.60

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Solution

The fourth proportional to 163,377,291.60, 245,065,937.40 and 102,911,115.60 is: 154,366,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,377,291.60 : 245,065,937.40 = 102,911,115.60 : x
  2. Step 2: Convert to fraction form
    163,377,291.60/245,065,937.40 = 102,911,115.60/x
  3. Step 3: Cross multiply
    163,377,291.60x = 245,065,937.40 × 102,911,115.60
  4. Step 4: Simplify right side
    163,377,291.60x = 25,220,009,013,393,764
  5. Step 5: Solve for x
    x = 25,220,009,013,393,764/163,377,291.60
  6. Step 6: Final answer
    x = 154,366,673.40

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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.