Home / 147,792,661.40-221,688,992.10-144,013,525.40

Finding the Fourth Proportional to 147,792,661.40, 221,688,992.10 and 144,013,525.40

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Solution

The fourth proportional to 147,792,661.40, 221,688,992.10 and 144,013,525.40 is: 216,020,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,792,661.40 : 221,688,992.10 = 144,013,525.40 : x
  2. Step 2: Convert to fraction form
    147,792,661.40/221,688,992.10 = 144,013,525.40/x
  3. Step 3: Cross multiply
    147,792,661.40x = 221,688,992.10 × 144,013,525.40
  4. Step 4: Simplify right side
    147,792,661.40x = 31,926,213,294,693,748
  5. Step 5: Solve for x
    x = 31,926,213,294,693,748/147,792,661.40
  6. Step 6: Final answer
    x = 216,020,288.10

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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.