Home / 99,730,038.30-149,595,057.45-89,316,419.10

Finding the Fourth Proportional to 99,730,038.30, 149,595,057.45 and 89,316,419.10

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Solution

The fourth proportional to 99,730,038.30, 149,595,057.45 and 89,316,419.10 is: 133,974,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,730,038.30 : 149,595,057.45 = 89,316,419.10 : x
  2. Step 2: Convert to fraction form
    99,730,038.30/149,595,057.45 = 89,316,419.10/x
  3. Step 3: Cross multiply
    99,730,038.30x = 149,595,057.45 × 89,316,419.10
  4. Step 4: Simplify right side
    99,730,038.30x = 13,361,294,846,492,776
  5. Step 5: Solve for x
    x = 13,361,294,846,492,776/99,730,038.30
  6. Step 6: Final answer
    x = 133,974,628.65

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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.