Home / 77,251,024,445.86-106,606,502,117.40-42,955,994,679.11

Finding the Fourth Proportional to 77,251,024,445.86, 106,606,502,117.40 and 42,955,994,679.11

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Solution

The fourth proportional to 77,251,024,445.86, 106,606,502,117.40 and 42,955,994,679.11 is: 59,279,321,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,251,024,445.86 : 106,606,502,117.40 = 42,955,994,679.11 : x
  2. Step 2: Convert to fraction form
    77,251,024,445.86/106,606,502,117.40 = 42,955,994,679.11/x
  3. Step 3: Cross multiply
    77,251,024,445.86x = 106,606,502,117.40 × 42,955,994,679.11
  4. Step 4: Simplify right side
    77,251,024,445.86x = 4,579,388,337,713,563,303,936
  5. Step 5: Solve for x
    x = 4,579,388,337,713,563,303,936/77,251,024,445.86
  6. Step 6: Final answer
    x = 59,279,321,802.69

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1.5x scale

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.