Home / 108,875,135.80-163,123,746.90-70,516,905.40

Finding the Fourth Proportional to 108,875,135.80, 163,123,746.90 and 70,516,905.40

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Solution

The fourth proportional to 108,875,135.80, 163,123,746.90 and 70,516,905.40 is: 105,652,973.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,875,135.80 : 163,123,746.90 = 70,516,905.40 : x
  2. Step 2: Convert to fraction form
    108,875,135.80/163,123,746.90 = 70,516,905.40/x
  3. Step 3: Cross multiply
    108,875,135.80x = 163,123,746.90 × 70,516,905.40
  4. Step 4: Simplify right side
    108,875,135.80x = 11,502,981,828,640,844
  5. Step 5: Solve for x
    x = 11,502,981,828,640,844/108,875,135.80
  6. Step 6: Final answer
    x = 105,652,973.42

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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.