Home / 77,559,009.90-107,031,407.63-42,752,281.61

Finding the Fourth Proportional to 77,559,009.90, 107,031,407.63 and 42,752,281.61

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Solution

The fourth proportional to 77,559,009.90, 107,031,407.63 and 42,752,281.61 is: 58,998,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,559,009.90 : 107,031,407.63 = 42,752,281.61 : x
  2. Step 2: Convert to fraction form
    77,559,009.90/107,031,407.63 = 42,752,281.61/x
  3. Step 3: Cross multiply
    77,559,009.90x = 107,031,407.63 × 42,752,281.61
  4. Step 4: Simplify right side
    77,559,009.90x = 4,575,836,879,363,544
  5. Step 5: Solve for x
    x = 4,575,836,879,363,544/77,559,009.90
  6. Step 6: Final answer
    x = 58,998,134.26

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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.