Home / 105,388,925.80-145,433,594.01-58,348,095.82

Finding the Fourth Proportional to 105,388,925.80, 145,433,594.01 and 58,348,095.82

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Solution

The fourth proportional to 105,388,925.80, 145,433,594.01 and 58,348,095.82 is: 80,518,642.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,388,925.80 : 145,433,594.01 = 58,348,095.82 : x
  2. Step 2: Convert to fraction form
    105,388,925.80/145,433,594.01 = 58,348,095.82/x
  3. Step 3: Cross multiply
    105,388,925.80x = 145,433,594.01 × 58,348,095.82
  4. Step 4: Simplify right side
    105,388,925.80x = 8,485,773,278,742,458
  5. Step 5: Solve for x
    x = 8,485,773,278,742,458/105,388,925.80
  6. Step 6: Final answer
    x = 80,518,642.87

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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.