Home / 99,912,689.72-149,636,233.90-97,154,510.93

Finding the Fourth Proportional to 99,912,689.72, 149,636,233.90 and 97,154,510.93

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Solution

The fourth proportional to 99,912,689.72, 149,636,233.90 and 97,154,510.93 is: 145,505,392.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,912,689.72 : 149,636,233.90 = 97,154,510.93 : x
  2. Step 2: Convert to fraction form
    99,912,689.72/149,636,233.90 = 97,154,510.93/x
  3. Step 3: Cross multiply
    99,912,689.72x = 149,636,233.90 × 97,154,510.93
  4. Step 4: Simplify right side
    99,912,689.72x = 14,537,835,121,475,816
  5. Step 5: Solve for x
    x = 14,537,835,121,475,816/99,912,689.72
  6. Step 6: Final answer
    x = 145,505,392.38

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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.