Home / 185,849,019.30-278,773,528.95-178,794,632.10

Finding the Fourth Proportional to 185,849,019.30, 278,773,528.95 and 178,794,632.10

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Solution

The fourth proportional to 185,849,019.30, 278,773,528.95 and 178,794,632.10 is: 268,191,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,849,019.30 : 278,773,528.95 = 178,794,632.10 : x
  2. Step 2: Convert to fraction form
    185,849,019.30/278,773,528.95 = 178,794,632.10/x
  3. Step 3: Cross multiply
    185,849,019.30x = 278,773,528.95 × 178,794,632.10
  4. Step 4: Simplify right side
    185,849,019.30x = 49,843,210,547,833,944
  5. Step 5: Solve for x
    x = 49,843,210,547,833,944/185,849,019.30
  6. Step 6: Final answer
    x = 268,191,948.15

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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.