Home / 97,087,117.20-145,630,675.80-86,505,536.40

Finding the Fourth Proportional to 97,087,117.20, 145,630,675.80 and 86,505,536.40

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Solution

The fourth proportional to 97,087,117.20, 145,630,675.80 and 86,505,536.40 is: 129,758,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,087,117.20 : 145,630,675.80 = 86,505,536.40 : x
  2. Step 2: Convert to fraction form
    97,087,117.20/145,630,675.80 = 86,505,536.40/x
  3. Step 3: Cross multiply
    97,087,117.20x = 145,630,675.80 × 86,505,536.40
  4. Step 4: Simplify right side
    97,087,117.20x = 12,597,859,726,373,502
  5. Step 5: Solve for x
    x = 12,597,859,726,373,502/97,087,117.20
  6. Step 6: Final answer
    x = 129,758,304.60

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1.5x scale

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.