Home / 191,853,809.70-287,780,714.55-161,242,808.10

Finding the Fourth Proportional to 191,853,809.70, 287,780,714.55 and 161,242,808.10

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Solution

The fourth proportional to 191,853,809.70, 287,780,714.55 and 161,242,808.10 is: 241,864,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,853,809.70 : 287,780,714.55 = 161,242,808.10 : x
  2. Step 2: Convert to fraction form
    191,853,809.70/287,780,714.55 = 161,242,808.10/x
  3. Step 3: Cross multiply
    191,853,809.70x = 287,780,714.55 × 161,242,808.10
  4. Step 4: Simplify right side
    191,853,809.70x = 46,402,570,531,066,528
  5. Step 5: Solve for x
    x = 46,402,570,531,066,528/191,853,809.70
  6. Step 6: Final answer
    x = 241,864,212.15

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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.