Home / 193,141,637.40-289,712,456.10-147,792,005.40

Finding the Fourth Proportional to 193,141,637.40, 289,712,456.10 and 147,792,005.40

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Solution

The fourth proportional to 193,141,637.40, 289,712,456.10 and 147,792,005.40 is: 221,688,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,141,637.40 : 289,712,456.10 = 147,792,005.40 : x
  2. Step 2: Convert to fraction form
    193,141,637.40/289,712,456.10 = 147,792,005.40/x
  3. Step 3: Cross multiply
    193,141,637.40x = 289,712,456.10 × 147,792,005.40
  4. Step 4: Simplify right side
    193,141,637.40x = 42,817,184,876,378,472
  5. Step 5: Solve for x
    x = 42,817,184,876,378,472/193,141,637.40
  6. Step 6: Final answer
    x = 221,688,008.10

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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.