Home / 144,828,653.40-217,242,980.10-90,302,806.80

Finding the Fourth Proportional to 144,828,653.40, 217,242,980.10 and 90,302,806.80

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Solution

The fourth proportional to 144,828,653.40, 217,242,980.10 and 90,302,806.80 is: 135,454,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,653.40 : 217,242,980.10 = 90,302,806.80 : x
  2. Step 2: Convert to fraction form
    144,828,653.40/217,242,980.10 = 90,302,806.80/x
  3. Step 3: Cross multiply
    144,828,653.40x = 217,242,980.10 × 90,302,806.80
  4. Step 4: Simplify right side
    144,828,653.40x = 19,617,650,860,626,544
  5. Step 5: Solve for x
    x = 19,617,650,860,626,544/144,828,653.40
  6. Step 6: Final answer
    x = 135,454,210.20

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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.