Home / 176,356,440.51-243,013,280.96-136,421,463.20

Finding the Fourth Proportional to 176,356,440.51, 243,013,280.96 and 136,421,463.20

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Solution

The fourth proportional to 176,356,440.51, 243,013,280.96 and 136,421,463.20 is: 187,984,216.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,356,440.51 : 243,013,280.96 = 136,421,463.20 : x
  2. Step 2: Convert to fraction form
    176,356,440.51/243,013,280.96 = 136,421,463.20/x
  3. Step 3: Cross multiply
    176,356,440.51x = 243,013,280.96 × 136,421,463.20
  4. Step 4: Simplify right side
    176,356,440.51x = 33,152,227,364,721,888
  5. Step 5: Solve for x
    x = 33,152,227,364,721,888/176,356,440.51
  6. Step 6: Final answer
    x = 187,984,216.91

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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.