Home / 293,411,007.20-440,116,510.80-140,355,999.20

Finding the Fourth Proportional to 293,411,007.20, 440,116,510.80 and 140,355,999.20

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Solution

The fourth proportional to 293,411,007.20, 440,116,510.80 and 140,355,999.20 is: 210,533,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,411,007.20 : 440,116,510.80 = 140,355,999.20 : x
  2. Step 2: Convert to fraction form
    293,411,007.20/440,116,510.80 = 140,355,999.20/x
  3. Step 3: Cross multiply
    293,411,007.20x = 440,116,510.80 × 140,355,999.20
  4. Step 4: Simplify right side
    293,411,007.20x = 61,772,992,637,751,584
  5. Step 5: Solve for x
    x = 61,772,992,637,751,584/293,411,007.20
  6. Step 6: Final answer
    x = 210,533,998.80

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1.5x scale

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.