Home / 90,146,943.56-124,402,790.32-50,987,877.50

Finding the Fourth Proportional to 90,146,943.56, 124,402,790.32 and 50,987,877.50

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Solution

The fourth proportional to 90,146,943.56, 124,402,790.32 and 50,987,877.50 is: 70,363,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,146,943.56 : 124,402,790.32 = 50,987,877.50 : x
  2. Step 2: Convert to fraction form
    90,146,943.56/124,402,790.32 = 50,987,877.50/x
  3. Step 3: Cross multiply
    90,146,943.56x = 124,402,790.32 × 50,987,877.50
  4. Step 4: Simplify right side
    90,146,943.56x = 6,343,034,233,677,883
  5. Step 5: Solve for x
    x = 6,343,034,233,677,883/90,146,943.56
  6. Step 6: Final answer
    x = 70,363,275.59

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1.5x scale

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.