Home / 162,329,865.11-224,009,210.14-87,988,829.51

Finding the Fourth Proportional to 162,329,865.11, 224,009,210.14 and 87,988,829.51

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Solution

The fourth proportional to 162,329,865.11, 224,009,210.14 and 87,988,829.51 is: 121,421,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,329,865.11 : 224,009,210.14 = 87,988,829.51 : x
  2. Step 2: Convert to fraction form
    162,329,865.11/224,009,210.14 = 87,988,829.51/x
  3. Step 3: Cross multiply
    162,329,865.11x = 224,009,210.14 × 87,988,829.51
  4. Step 4: Simplify right side
    162,329,865.11x = 19,710,308,199,444,716
  5. Step 5: Solve for x
    x = 19,710,308,199,444,716/162,329,865.11
  6. Step 6: Final answer
    x = 121,421,330.49

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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.