Home / 90,833,693.28-125,331,784.48-52,195,060.32

Finding the Fourth Proportional to 90,833,693.28, 125,331,784.48 and 52,195,060.32

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Solution

The fourth proportional to 90,833,693.28, 125,331,784.48 and 52,195,060.32 is: 72,018,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,833,693.28 : 125,331,784.48 = 52,195,060.32 : x
  2. Step 2: Convert to fraction form
    90,833,693.28/125,331,784.48 = 52,195,060.32/x
  3. Step 3: Cross multiply
    90,833,693.28x = 125,331,784.48 × 52,195,060.32
  4. Step 4: Simplify right side
    90,833,693.28x = 6,541,700,050,946,840
  5. Step 5: Solve for x
    x = 6,541,700,050,946,840/90,833,693.28
  6. Step 6: Final answer
    x = 72,018,430.77

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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.