Home / 51,253,879.42-70,730,307.48-28,931,565.06

Finding the Fourth Proportional to 51,253,879.42, 70,730,307.48 and 28,931,565.06

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Solution

The fourth proportional to 51,253,879.42, 70,730,307.48 and 28,931,565.06 is: 39,925,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,253,879.42 : 70,730,307.48 = 28,931,565.06 : x
  2. Step 2: Convert to fraction form
    51,253,879.42/70,730,307.48 = 28,931,565.06/x
  3. Step 3: Cross multiply
    51,253,879.42x = 70,730,307.48 × 28,931,565.06
  4. Step 4: Simplify right side
    51,253,879.42x = 2,046,338,492,571,424.75
  5. Step 5: Solve for x
    x = 2,046,338,492,571,424.75/51,253,879.42
  6. Step 6: Final answer
    x = 39,925,533.75

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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.