Home / 141,709,511.10-212,564,266.65-59,920,741.20

Finding the Fourth Proportional to 141,709,511.10, 212,564,266.65 and 59,920,741.20

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Solution

The fourth proportional to 141,709,511.10, 212,564,266.65 and 59,920,741.20 is: 89,881,111.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,709,511.10 : 212,564,266.65 = 59,920,741.20 : x
  2. Step 2: Convert to fraction form
    141,709,511.10/212,564,266.65 = 59,920,741.20/x
  3. Step 3: Cross multiply
    141,709,511.10x = 212,564,266.65 × 59,920,741.20
  4. Step 4: Simplify right side
    141,709,511.10x = 12,737,008,410,302,442
  5. Step 5: Solve for x
    x = 12,737,008,410,302,442/141,709,511.10
  6. Step 6: Final answer
    x = 89,881,111.80

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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.