Home / 157,012,001.28-235,553,128.42-47,845,716.12

Finding the Fourth Proportional to 157,012,001.28, 235,553,128.42 and 47,845,716.12

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Solution

The fourth proportional to 157,012,001.28, 235,553,128.42 and 47,845,716.12 is: 71,779,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,012,001.28 : 235,553,128.42 = 47,845,716.12 : x
  2. Step 2: Convert to fraction form
    157,012,001.28/235,553,128.42 = 47,845,716.12/x
  3. Step 3: Cross multiply
    157,012,001.28x = 235,553,128.42 × 47,845,716.12
  4. Step 4: Simplify right side
    157,012,001.28x = 11,270,208,113,561,222
  5. Step 5: Solve for x
    x = 11,270,208,113,561,222/157,012,001.28
  6. Step 6: Final answer
    x = 71,779,278.16

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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.