Home / 56,312,371-77,711,071.98-30,558,259

Finding the Fourth Proportional to 56,312,371, 77,711,071.98 and 30,558,259

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Solution

The fourth proportional to 56,312,371, 77,711,071.98 and 30,558,259 is: 42,170,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,312,371 : 77,711,071.98 = 30,558,259 : x
  2. Step 2: Convert to fraction form
    56,312,371/77,711,071.98 = 30,558,259/x
  3. Step 3: Cross multiply
    56,312,371x = 77,711,071.98 × 30,558,259
  4. Step 4: Simplify right side
    56,312,371x = 2,374,715,064,732,483
  5. Step 5: Solve for x
    x = 2,374,715,064,732,483/56,312,371
  6. Step 6: Final answer
    x = 42,170,397.42

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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.