Home / 153,531,350.48-211,872,749.28-83,916,691.04

Finding the Fourth Proportional to 153,531,350.48, 211,872,749.28 and 83,916,691.04

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Solution

The fourth proportional to 153,531,350.48, 211,872,749.28 and 83,916,691.04 is: 115,804,752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,531,350.48 : 211,872,749.28 = 83,916,691.04 : x
  2. Step 2: Convert to fraction form
    153,531,350.48/211,872,749.28 = 83,916,691.04/x
  3. Step 3: Cross multiply
    153,531,350.48x = 211,872,749.28 × 83,916,691.04
  4. Step 4: Simplify right side
    153,531,350.48x = 17,779,660,041,125,144
  5. Step 5: Solve for x
    x = 17,779,660,041,125,144/153,531,350.48
  6. Step 6: Final answer
    x = 115,804,752.49

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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.