Home / 77,939,495.93-107,552,128.14-42,657,228.89

Finding the Fourth Proportional to 77,939,495.93, 107,552,128.14 and 42,657,228.89

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Solution

The fourth proportional to 77,939,495.93, 107,552,128.14 and 42,657,228.89 is: 58,864,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,939,495.93 : 107,552,128.14 = 42,657,228.89 : x
  2. Step 2: Convert to fraction form
    77,939,495.93/107,552,128.14 = 42,657,228.89/x
  3. Step 3: Cross multiply
    77,939,495.93x = 107,552,128.14 × 42,657,228.89
  4. Step 4: Simplify right side
    77,939,495.93x = 4,587,875,746,923,543
  5. Step 5: Solve for x
    x = 4,587,875,746,923,543/77,939,495.93
  6. Step 6: Final answer
    x = 58,864,580.69

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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.