Home / 99,968,006.40-149,653,411.20-59,557,689.60

Finding the Fourth Proportional to 99,968,006.40, 149,653,411.20 and 59,557,689.60

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Solution

The fourth proportional to 99,968,006.40, 149,653,411.20 and 59,557,689.60 is: 89,158,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,968,006.40 : 149,653,411.20 = 59,557,689.60 : x
  2. Step 2: Convert to fraction form
    99,968,006.40/149,653,411.20 = 59,557,689.60/x
  3. Step 3: Cross multiply
    99,968,006.40x = 149,653,411.20 × 59,557,689.60
  4. Step 4: Simplify right side
    99,968,006.40x = 8,913,011,411,830,763
  5. Step 5: Solve for x
    x = 8,913,011,411,830,763/99,968,006.40
  6. Step 6: Final answer
    x = 89,158,639.18

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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.