Home / 178,005,562.63-245,586,200.77-111,931,088.92

Finding the Fourth Proportional to 178,005,562.63, 245,586,200.77 and 111,931,088.92

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Solution

The fourth proportional to 178,005,562.63, 245,586,200.77 and 111,931,088.92 is: 154,426,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,005,562.63 : 245,586,200.77 = 111,931,088.92 : x
  2. Step 2: Convert to fraction form
    178,005,562.63/245,586,200.77 = 111,931,088.92/x
  3. Step 3: Cross multiply
    178,005,562.63x = 245,586,200.77 × 111,931,088.92
  4. Step 4: Simplify right side
    178,005,562.63x = 27,488,730,875,437,792
  5. Step 5: Solve for x
    x = 27,488,730,875,437,792/178,005,562.63
  6. Step 6: Final answer
    x = 154,426,246.40

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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.