Home / 141,856,688.40-212,785,032.60-34,151,312.40

Finding the Fourth Proportional to 141,856,688.40, 212,785,032.60 and 34,151,312.40

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Solution

The fourth proportional to 141,856,688.40, 212,785,032.60 and 34,151,312.40 is: 51,226,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,856,688.40 : 212,785,032.60 = 34,151,312.40 : x
  2. Step 2: Convert to fraction form
    141,856,688.40/212,785,032.60 = 34,151,312.40/x
  3. Step 3: Cross multiply
    141,856,688.40x = 212,785,032.60 × 34,151,312.40
  4. Step 4: Simplify right side
    141,856,688.40x = 7,266,888,122,366,784
  5. Step 5: Solve for x
    x = 7,266,888,122,366,784/141,856,688.40
  6. Step 6: Final answer
    x = 51,226,968.60

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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.