Home / 157,173,152.40-215,327,987.10-151,282,346.40

Finding the Fourth Proportional to 157,173,152.40, 215,327,987.10 and 151,282,346.40

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Solution

The fourth proportional to 157,173,152.40, 215,327,987.10 and 151,282,346.40 is: 207,257,554.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,173,152.40 : 215,327,987.10 = 151,282,346.40 : x
  2. Step 2: Convert to fraction form
    157,173,152.40/215,327,987.10 = 151,282,346.40/x
  3. Step 3: Cross multiply
    157,173,152.40x = 215,327,987.10 × 151,282,346.40
  4. Step 4: Simplify right side
    157,173,152.40x = 32,575,323,134,076,932
  5. Step 5: Solve for x
    x = 32,575,323,134,076,932/157,173,152.40
  6. Step 6: Final answer
    x = 207,257,554.08

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1.5x scale

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.