Home / 152,107,637.31-209,919,808.17-85,133,293.74

Finding the Fourth Proportional to 152,107,637.31, 209,919,808.17 and 85,133,293.74

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Solution

The fourth proportional to 152,107,637.31, 209,919,808.17 and 85,133,293.74 is: 117,490,252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,107,637.31 : 209,919,808.17 = 85,133,293.74 : x
  2. Step 2: Convert to fraction form
    152,107,637.31/209,919,808.17 = 85,133,293.74/x
  3. Step 3: Cross multiply
    152,107,637.31x = 209,919,808.17 × 85,133,293.74
  4. Step 4: Simplify right side
    152,107,637.31x = 17,871,164,690,781,060
  5. Step 5: Solve for x
    x = 17,871,164,690,781,060/152,107,637.31
  6. Step 6: Final answer
    x = 117,490,252.34

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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.