Home / 108,768,363.60-163,152,545.40-98,859,320.40

Finding the Fourth Proportional to 108,768,363.60, 163,152,545.40 and 98,859,320.40

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Solution

The fourth proportional to 108,768,363.60, 163,152,545.40 and 98,859,320.40 is: 148,288,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,768,363.60 : 163,152,545.40 = 98,859,320.40 : x
  2. Step 2: Convert to fraction form
    108,768,363.60/163,152,545.40 = 98,859,320.40/x
  3. Step 3: Cross multiply
    108,768,363.60x = 163,152,545.40 × 98,859,320.40
  4. Step 4: Simplify right side
    108,768,363.60x = 16,129,149,759,774,148
  5. Step 5: Solve for x
    x = 16,129,149,759,774,148/108,768,363.60
  6. Step 6: Final answer
    x = 148,288,980.60

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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.