Home / 56,099,972,521.50-77,420,395,656.63-31,066,975,657.50

Finding the Fourth Proportional to 56,099,972,521.50, 77,420,395,656.63 and 31,066,975,657.50

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Solution

The fourth proportional to 56,099,972,521.50, 77,420,395,656.63 and 31,066,975,657.50 is: 42,873,774,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,099,972,521.50 : 77,420,395,656.63 = 31,066,975,657.50 : x
  2. Step 2: Convert to fraction form
    56,099,972,521.50/77,420,395,656.63 = 31,066,975,657.50/x
  3. Step 3: Cross multiply
    56,099,972,521.50x = 77,420,395,656.63 × 31,066,975,657.50
  4. Step 4: Simplify right side
    56,099,972,521.50x = 2,405,217,547,258,543,210,496
  5. Step 5: Solve for x
    x = 2,405,217,547,258,543,210,496/56,099,972,521.50
  6. Step 6: Final answer
    x = 42,873,774,070.69

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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.