Home / 74,727,898,484.96-103,124,433,285.27-42,181,962,663.66

Finding the Fourth Proportional to 74,727,898,484.96, 103,124,433,285.27 and 42,181,962,663.66

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Solution

The fourth proportional to 74,727,898,484.96, 103,124,433,285.27 and 42,181,962,663.66 is: 58,211,070,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,727,898,484.96 : 103,124,433,285.27 = 42,181,962,663.66 : x
  2. Step 2: Convert to fraction form
    74,727,898,484.96/103,124,433,285.27 = 42,181,962,663.66/x
  3. Step 3: Cross multiply
    74,727,898,484.96x = 103,124,433,285.27 × 42,181,962,663.66
  4. Step 4: Simplify right side
    74,727,898,484.96x = 4,349,990,994,550,046,326,784
  5. Step 5: Solve for x
    x = 4,349,990,994,550,046,326,784/74,727,898,484.96
  6. Step 6: Final answer
    x = 58,211,070,868.34

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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.