Home / 157,173,153.40-215,327,988.47-151,282,347.40

Finding the Fourth Proportional to 157,173,153.40, 215,327,988.47 and 151,282,347.40

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Solution

The fourth proportional to 157,173,153.40, 215,327,988.47 and 151,282,347.40 is: 207,257,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,173,153.40 : 215,327,988.47 = 151,282,347.40 : x
  2. Step 2: Convert to fraction form
    157,173,153.40/215,327,988.47 = 151,282,347.40/x
  3. Step 3: Cross multiply
    157,173,153.40x = 215,327,988.47 × 151,282,347.40
  4. Step 4: Simplify right side
    157,173,153.40x = 32,575,323,556,661,736
  5. Step 5: Solve for x
    x = 32,575,323,556,661,736/157,173,153.40
  6. Step 6: Final answer
    x = 207,257,555.45

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.