Home / 191,808,006.90-287,712,010.35-84,102,630.90

Finding the Fourth Proportional to 191,808,006.90, 287,712,010.35 and 84,102,630.90

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Solution

The fourth proportional to 191,808,006.90, 287,712,010.35 and 84,102,630.90 is: 126,153,946.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,808,006.90 : 287,712,010.35 = 84,102,630.90 : x
  2. Step 2: Convert to fraction form
    191,808,006.90/287,712,010.35 = 84,102,630.90/x
  3. Step 3: Cross multiply
    191,808,006.90x = 287,712,010.35 × 84,102,630.90
  4. Step 4: Simplify right side
    191,808,006.90x = 24,197,337,011,963,032
  5. Step 5: Solve for x
    x = 24,197,337,011,963,032/191,808,006.90
  6. Step 6: Final answer
    x = 126,153,946.35

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1.5x scale

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.