Home / 77,691,807.20-116,537,710.80-52,145,055.20

Finding the Fourth Proportional to 77,691,807.20, 116,537,710.80 and 52,145,055.20

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Solution

The fourth proportional to 77,691,807.20, 116,537,710.80 and 52,145,055.20 is: 78,217,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,691,807.20 : 116,537,710.80 = 52,145,055.20 : x
  2. Step 2: Convert to fraction form
    77,691,807.20/116,537,710.80 = 52,145,055.20/x
  3. Step 3: Cross multiply
    77,691,807.20x = 116,537,710.80 × 52,145,055.20
  4. Step 4: Simplify right side
    77,691,807.20x = 6,076,865,362,547,636
  5. Step 5: Solve for x
    x = 6,076,865,362,547,636/77,691,807.20
  6. Step 6: Final answer
    x = 78,217,582.80

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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.