Home / 56,428,162,830.43-77,870,877,417-31,053,634,162.20

Finding the Fourth Proportional to 56,428,162,830.43, 77,870,877,417 and 31,053,634,162.20

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Solution

The fourth proportional to 56,428,162,830.43, 77,870,877,417 and 31,053,634,162.20 is: 42,854,022,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,428,162,830.43 : 77,870,877,417 = 31,053,634,162.20 : x
  2. Step 2: Convert to fraction form
    56,428,162,830.43/77,870,877,417 = 31,053,634,162.20/x
  3. Step 3: Cross multiply
    56,428,162,830.43x = 77,870,877,417 × 31,053,634,162.20
  4. Step 4: Simplify right side
    56,428,162,830.43x = 2,418,173,739,197,039,902,720
  5. Step 5: Solve for x
    x = 2,418,173,739,197,039,902,720/56,428,162,830.43
  6. Step 6: Final answer
    x = 42,854,022,138.98

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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.