Home / 356,845,090.69-535,255,857.78-146,748,505.69

Finding the Fourth Proportional to 356,845,090.69, 535,255,857.78 and 146,748,505.69

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Solution

The fourth proportional to 356,845,090.69, 535,255,857.78 and 146,748,505.69 is: 220,117,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,845,090.69 : 535,255,857.78 = 146,748,505.69 : x
  2. Step 2: Convert to fraction form
    356,845,090.69/535,255,857.78 = 146,748,505.69/x
  3. Step 3: Cross multiply
    356,845,090.69x = 535,255,857.78 × 146,748,505.69
  4. Step 4: Simplify right side
    356,845,090.69x = 78,547,997,291,034,160
  5. Step 5: Solve for x
    x = 78,547,997,291,034,160/356,845,090.69
  6. Step 6: Final answer
    x = 220,117,914.86

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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.