Home / 154,894,784.40-232,196,106.80-77,098,135.43

Finding the Fourth Proportional to 154,894,784.40, 232,196,106.80 and 77,098,135.43

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Solution

The fourth proportional to 154,894,784.40, 232,196,106.80 and 77,098,135.43 is: 115,574,497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,894,784.40 : 232,196,106.80 = 77,098,135.43 : x
  2. Step 2: Convert to fraction form
    154,894,784.40/232,196,106.80 = 77,098,135.43/x
  3. Step 3: Cross multiply
    154,894,784.40x = 232,196,106.80 × 77,098,135.43
  4. Step 4: Simplify right side
    154,894,784.40x = 17,901,886,889,158,382
  5. Step 5: Solve for x
    x = 17,901,886,889,158,382/154,894,784.40
  6. Step 6: Final answer
    x = 115,574,497.61

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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.