Home / 232,730,459.10-321,170,262.99-128,312,275.32

Finding the Fourth Proportional to 232,730,459.10, 321,170,262.99 and 128,312,275.32

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Solution

The fourth proportional to 232,730,459.10, 321,170,262.99 and 128,312,275.32 is: 177,072,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,730,459.10 : 321,170,262.99 = 128,312,275.32 : x
  2. Step 2: Convert to fraction form
    232,730,459.10/321,170,262.99 = 128,312,275.32/x
  3. Step 3: Cross multiply
    232,730,459.10x = 321,170,262.99 × 128,312,275.32
  4. Step 4: Simplify right side
    232,730,459.10x = 41,210,087,209,369,688
  5. Step 5: Solve for x
    x = 41,210,087,209,369,688/232,730,459.10
  6. Step 6: Final answer
    x = 177,072,169.10

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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.