Home / 193,077,031.40-289,615,547.10-171,913,869.80

Finding the Fourth Proportional to 193,077,031.40, 289,615,547.10 and 171,913,869.80

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Solution

The fourth proportional to 193,077,031.40, 289,615,547.10 and 171,913,869.80 is: 257,870,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,077,031.40 : 289,615,547.10 = 171,913,869.80 : x
  2. Step 2: Convert to fraction form
    193,077,031.40/289,615,547.10 = 171,913,869.80/x
  3. Step 3: Cross multiply
    193,077,031.40x = 289,615,547.10 × 171,913,869.80
  4. Step 4: Simplify right side
    193,077,031.40x = 49,788,929,456,205,176
  5. Step 5: Solve for x
    x = 49,788,929,456,205,176/193,077,031.40
  6. Step 6: Final answer
    x = 257,870,804.70

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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.