Home / 77,572,029-107,050,224.60-42,765,965.04

Finding the Fourth Proportional to 77,572,029, 107,050,224.60 and 42,765,965.04

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Solution

The fourth proportional to 77,572,029, 107,050,224.60 and 42,765,965.04 is: 59,017,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,572,029 : 107,050,224.60 = 42,765,965.04 : x
  2. Step 2: Convert to fraction form
    77,572,029/107,050,224.60 = 42,765,965.04/x
  3. Step 3: Cross multiply
    77,572,029x = 107,050,224.60 × 42,765,965.04
  4. Step 4: Simplify right side
    77,572,029x = 4,578,106,162,767,748
  5. Step 5: Solve for x
    x = 4,578,106,162,767,748/77,572,029
  6. Step 6: Final answer
    x = 59,017,486.35

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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.