Home / 162,787,390.76-224,646,547.69-89,453,256.68

Finding the Fourth Proportional to 162,787,390.76, 224,646,547.69 and 89,453,256.68

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Solution

The fourth proportional to 162,787,390.76, 224,646,547.69 and 89,453,256.68 is: 123,445,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,787,390.76 : 224,646,547.69 = 89,453,256.68 : x
  2. Step 2: Convert to fraction form
    162,787,390.76/224,646,547.69 = 89,453,256.68/x
  3. Step 3: Cross multiply
    162,787,390.76x = 224,646,547.69 × 89,453,256.68
  4. Step 4: Simplify right side
    162,787,390.76x = 20,095,365,291,442,564
  5. Step 5: Solve for x
    x = 20,095,365,291,442,564/162,787,390.76
  6. Step 6: Final answer
    x = 123,445,465.88

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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.