Home / 191,736,800.10-287,605,200.15-159,850,340.10

Finding the Fourth Proportional to 191,736,800.10, 287,605,200.15 and 159,850,340.10

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Solution

The fourth proportional to 191,736,800.10, 287,605,200.15 and 159,850,340.10 is: 239,775,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,736,800.10 : 287,605,200.15 = 159,850,340.10 : x
  2. Step 2: Convert to fraction form
    191,736,800.10/287,605,200.15 = 159,850,340.10/x
  3. Step 3: Cross multiply
    191,736,800.10x = 287,605,200.15 × 159,850,340.10
  4. Step 4: Simplify right side
    191,736,800.10x = 45,973,789,058,506,064
  5. Step 5: Solve for x
    x = 45,973,789,058,506,064/191,736,800.10
  6. Step 6: Final answer
    x = 239,775,510.15

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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.