Home / 78,697,205.80-118,045,808.70-62,257,964.20

Finding the Fourth Proportional to 78,697,205.80, 118,045,808.70 and 62,257,964.20

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Solution

The fourth proportional to 78,697,205.80, 118,045,808.70 and 62,257,964.20 is: 93,386,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,697,205.80 : 118,045,808.70 = 62,257,964.20 : x
  2. Step 2: Convert to fraction form
    78,697,205.80/118,045,808.70 = 62,257,964.20/x
  3. Step 3: Cross multiply
    78,697,205.80x = 118,045,808.70 × 62,257,964.20
  4. Step 4: Simplify right side
    78,697,205.80x = 7,349,291,732,004,649
  5. Step 5: Solve for x
    x = 7,349,291,732,004,649/78,697,205.80
  6. Step 6: Final answer
    x = 93,386,946.30

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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.