Home / 78,697,048.80-118,045,573.20-62,257,807.20

Finding the Fourth Proportional to 78,697,048.80, 118,045,573.20 and 62,257,807.20

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Solution

The fourth proportional to 78,697,048.80, 118,045,573.20 and 62,257,807.20 is: 93,386,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,697,048.80 : 118,045,573.20 = 62,257,807.20 : x
  2. Step 2: Convert to fraction form
    78,697,048.80/118,045,573.20 = 62,257,807.20/x
  3. Step 3: Cross multiply
    78,697,048.80x = 118,045,573.20 × 62,257,807.20
  4. Step 4: Simplify right side
    78,697,048.80x = 7,349,258,537,099,088
  5. Step 5: Solve for x
    x = 7,349,258,537,099,088/78,697,048.80
  6. Step 6: Final answer
    x = 93,386,710.80

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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.