Home / 310,783,854.06-428,866,657.98-176,809,155.72

Finding the Fourth Proportional to 310,783,854.06, 428,866,657.98 and 176,809,155.72

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Solution

The fourth proportional to 310,783,854.06, 428,866,657.98 and 176,809,155.72 is: 243,988,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,783,854.06 : 428,866,657.98 = 176,809,155.72 : x
  2. Step 2: Convert to fraction form
    310,783,854.06/428,866,657.98 = 176,809,155.72/x
  3. Step 3: Cross multiply
    310,783,854.06x = 428,866,657.98 × 176,809,155.72
  4. Step 4: Simplify right side
    310,783,854.06x = 75,827,551,713,901,808
  5. Step 5: Solve for x
    x = 75,827,551,713,901,808/310,783,854.06
  6. Step 6: Final answer
    x = 243,988,066.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.