Home / 78,697,072.30-118,045,608.45-62,257,830.70

Finding the Fourth Proportional to 78,697,072.30, 118,045,608.45 and 62,257,830.70

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Solution

The fourth proportional to 78,697,072.30, 118,045,608.45 and 62,257,830.70 is: 93,386,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,697,072.30 : 118,045,608.45 = 62,257,830.70 : x
  2. Step 2: Convert to fraction form
    78,697,072.30/118,045,608.45 = 62,257,830.70/x
  3. Step 3: Cross multiply
    78,697,072.30x = 118,045,608.45 × 62,257,830.70
  4. Step 4: Simplify right side
    78,697,072.30x = 7,349,263,505,758,590
  5. Step 5: Solve for x
    x = 7,349,263,505,758,590/78,697,072.30
  6. Step 6: Final answer
    x = 93,386,746.05

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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.