Home / 153,149,384.08-211,346,148.90-83,534,762.80

Finding the Fourth Proportional to 153,149,384.08, 211,346,148.90 and 83,534,762.80

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Solution

The fourth proportional to 153,149,384.08, 211,346,148.90 and 83,534,762.80 is: 115,277,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,149,384.08 : 211,346,148.90 = 83,534,762.80 : x
  2. Step 2: Convert to fraction form
    153,149,384.08/211,346,148.90 = 83,534,762.80/x
  3. Step 3: Cross multiply
    153,149,384.08x = 211,346,148.90 × 83,534,762.80
  4. Step 4: Simplify right side
    153,149,384.08x = 17,654,750,417,054,980
  5. Step 5: Solve for x
    x = 17,654,750,417,054,980/153,149,384.08
  6. Step 6: Final answer
    x = 115,277,972.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.