Home / 79,115,628.30-118,673,442.45-53,287,595.70

Finding the Fourth Proportional to 79,115,628.30, 118,673,442.45 and 53,287,595.70

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Solution

The fourth proportional to 79,115,628.30, 118,673,442.45 and 53,287,595.70 is: 79,931,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,115,628.30 : 118,673,442.45 = 53,287,595.70 : x
  2. Step 2: Convert to fraction form
    79,115,628.30/118,673,442.45 = 53,287,595.70/x
  3. Step 3: Cross multiply
    79,115,628.30x = 118,673,442.45 × 53,287,595.70
  4. Step 4: Simplify right side
    79,115,628.30x = 6,323,822,421,602,818
  5. Step 5: Solve for x
    x = 6,323,822,421,602,818/79,115,628.30
  6. Step 6: Final answer
    x = 79,931,393.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.