Home / 117,792,139.10-176,688,208.65-66,773,803.10

Finding the Fourth Proportional to 117,792,139.10, 176,688,208.65 and 66,773,803.10

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Solution

The fourth proportional to 117,792,139.10, 176,688,208.65 and 66,773,803.10 is: 100,160,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,792,139.10 : 176,688,208.65 = 66,773,803.10 : x
  2. Step 2: Convert to fraction form
    117,792,139.10/176,688,208.65 = 66,773,803.10/x
  3. Step 3: Cross multiply
    117,792,139.10x = 176,688,208.65 × 66,773,803.10
  4. Step 4: Simplify right side
    117,792,139.10x = 11,798,143,654,486,818
  5. Step 5: Solve for x
    x = 11,798,143,654,486,818/117,792,139.10
  6. Step 6: Final answer
    x = 100,160,704.65

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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.