Home / 99,488,260.91-149,316,240.95-42,021,774.11

Finding the Fourth Proportional to 99,488,260.91, 149,316,240.95 and 42,021,774.11

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Solution

The fourth proportional to 99,488,260.91, 149,316,240.95 and 42,021,774.11 is: 63,068,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,488,260.91 : 149,316,240.95 = 42,021,774.11 : x
  2. Step 2: Convert to fraction form
    99,488,260.91/149,316,240.95 = 42,021,774.11/x
  3. Step 3: Cross multiply
    99,488,260.91x = 149,316,240.95 × 42,021,774.11
  4. Step 4: Simplify right side
    99,488,260.91x = 6,274,533,348,155,231
  5. Step 5: Solve for x
    x = 6,274,533,348,155,231/99,488,260.91
  6. Step 6: Final answer
    x = 63,068,077.49

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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.